[NOTE: This document was downloaded from http://www.census.gov/econ/cbp/download/noise_layout/US_Layout.txt.]
[Brendan Price, Feb. 21, 2013]



                                    CBP[YR]US.TXT

                                U.S. Data Dictionary
                                by 3-, 4-, 5-, and 6-Digit NAICS Codes

Note:  In the filename, [YR] is the 2-digit data year.  Each data field is separated by comma (,) delimiters.

NOTE:  The "EMPFLAG" field (Data Suppression Flag) denotes employment size class for data withheld to avoid 
disclosure (confidentiality) or withheld because data do not meet publication standards.  Similarly, each 
employment size class has it's own data suppression flag (field names f1_4, f5_9, ... f1000).


Field           Data  
Name            Type    Description

USCODE          C       U.S. Geography Indicator = "98"

NAICS           C       Industry Code - 6-digit NAICS code.
                  
EMPFLAG         C       Data Suppression Flag

                        This denotes employment size class for data withheld to avoid disclosure (confidentiality) 
                        or withheld because data do not meet publication standards. 
 
                                A       0-19
                                B       20-99
                                C       100-249
                                E       250-499
                                F       500-999
                                G       1,000-2,499
                                H       2,500-4,999
                                I       5,000-9,999
                                J       10,000-24,999
                                K       25,000-49,999
                                L       50,000-99,999
                                M       100,000 or More

EMP_NF          C       Total Mid-March Employees Noise Flag (See all Noise Flag definitions at the end of this record 
                        layout)

EMP             N       Total Mid-March Employees with Noise

QP1_NF          C       Total First Quarter Payroll Noise Flag

QP1             N       Total First Quarter Payroll ($1,000) with Noise
                                                              
AP_NF           C       Total Annual Payroll Noise Flag

AP              N       Total Annual Payroll ($1,000) with Noise

EST             N       Total Number of Establishments

F1_4            C       Data Suppression Flag: - 1-4 Employee Size Class

E1_4NF          C       Mid-March Employees Noise Flag: - 1-4 Employee Size Class

E1_4            N       Mid-March Employees with Noise: - 1-4 Employee Size Class

Q1_4NF          C       First Quarter Payroll Noise Flag: - 1-4 Employee Size Class

Q1_4            N       First Quarter Payroll ($1,000) with Noise: - 1-4 Employee Size Class

A1_4NF          C       Annual Payroll Noise Flag: - 1-4 Employee Size Class

A1_4            N       Annual Payroll ($1,000) with Noise: - 1-4 Employee Size Class

N1_4            N       Number of Establishments: 1-4 Employee Size Class

F5_9            C       Data Suppression Flag: 5-9 Employee Size Class

E5_9NF          C       Mid-March Employees Noise Flag: - 5-9 Employee Size Class

E5_9            N       Mid-March Employees with Noise: - 5-9 Employee Size Class

Q5_9NF          C       First Quarter Payroll Noise Flag: - 5-9 Employee Size Class

Q5_9            N       First Quarter Payroll ($1,000) with Noise: - 5-9 Employee Size Class

A5_9NF          C       Annual Payroll Noise Flag: - 5-9 Employee Size Class

A5_9            N       Annual Payroll ($1,000) with Noise: - 5-9 Employee Size Class

N5_9            N       Number of Establishments: 5-9 Employee Size Class

F10_19          C       Data Suppression Flag: 10-19 Employee Size Class

E10_19NF        C       Mid-March Employees Noise Flag: - 10-19 Employee Size Class

E10_19          N       Mid-March Employees with Noise: - 10-19 Employee Size Class

Q10_19NF        C       First Quarter Payroll Noise Flag: - 10-19 Employee Size Class

Q10_19          N       First Quarter Payroll ($1,000) with Noise: - 10-19 Employee Size Class

A10_19NF        C       Annual Payroll Noise Flag: - 10-19 Employee Size Class

A10_19          N       Annual Payroll ($1,000) with Noise: - 10-19 Employee Size Class

N10_19          N       Number of Establishments: 10-19 Employee Size Class

F20_49          C       Data Suppression Flag: 20-49 Employee Size Class

E20_49NF        C       Mid-March Employees Noise Flag: - 20-49 Employee Size Class

E20_49          N       Mid-March Employees with Noise: - 20-49 Employee Size Class

Q20_49NF        C       First Quarter Payroll Noise Flag: - 20-49 Employee Size Class

Q20_49          N       First Quarter Payroll ($1,000) with Noise: - 20-49 Employee Size Class

A20_49NF        C       Annual Payroll Noise Flag: - 20-49 Employee Size Class

A20_49          N       Annual Payroll ($1,000) with Noise: - 20-49 Employee Size Class

N20_49          N       Number of Establishments: 20-49 Employee Size Class

F50_99          C       Data Suppression Flag: 50-99 Employee Size Class

E50_99NF        C       Mid-March Employees Noise Flag: - 50-99 Employee Size Class

E50_99          N       Mid-March Employees with Noise: - 50-99 Employee Size Class

Q50_99NF        C       First Quarter Payroll Noise Flag: - 50-99 Employee Size Class

Q50_99          N       First Quarter Payroll ($1,000) with Noise: - 50-99 Employee Size Class

A50_99NF        C       Annual Payroll Noise Flag: - 50-99 Employee Size Class

A50_99          N       Annual Payroll ($1,000) with Noise: - 50-99 Employee Size Class

N50_99          N       Number of Establishments: 50-99 Employee Size Class

F100_249        C       Data Suppression Flag: 100-249 Employee Size Class

E100_249NF      C       Mid-March Employees Noise Flag: - 100-249 Employee Size Class

E100_249        N       Mid-March Employees with Noise: - 100-249 Employee Size Class

Q100_249NF      C       First Quarter Payroll Noise Flag: - 100-249 Employee Size Class

Q100_249        N       First Quarter Payroll ($1,000) with Noise: - 100-249 Employee Size Class

A100_249NF      C       Annual Payroll Noise Flag: - 100-249 Employee Size Class

A100_249        N       Annual Payroll ($1,000) with Noise: - 100-249 Employee Size Class

N100_249        N       Number of Establishments: 100-249 Employee Size Class

F250_499        C       Data Suppression Flag: 250-499 Employee Size Class

E250_499NF      C       Mid-March Employees Noise Flag: - 250-499 Employee Size Class

E250_499        N       Mid-March Employees with Noise: - 250-499 Employee Size Class

Q250_499NF      C       First Quarter Payroll Noise Flag: - 250-499 Employee Size Class

Q250_499        N       First Quarter Payroll ($1,000) with Noise: - 250-499 Employee Size Class

A250_499NF      C       Annual Payroll Noise Flag: - 250-499 Employee Size Class

A250_499        N       Annual Payroll ($1,000) with Noise: - 250-499 Employee Size Class

N250_499        N       Number of Establishments: 250-499 Employee Size Class

F500_999        C       Data Suppression Flag: 500-999 Employee Size Class

E500_999NF      C       Mid-March Employees Noise Flag: - 500-999 Employee Size Class

E500_999        N       Mid-March Employees with Noise: - 500-999 Employee Size Class

Q500_999NF      C       First Quarter Payroll Noise Flag: - 500-999 Employee Size Class

Q500_999        N       First Quarter Payroll ($1,000) with Noise: - 500-999 Employee Size Class

A500_999NF      C       Annual Payroll Noise Flag: - 500-999 Employee Size Class

A500_999        N       Annual Payroll ($1,000) with Noise: - 500-999 Employee Size Class

N500_999        N       Number of Establishments: 500-999 Employee Size Class

F1000           C       Data Suppression Flag: - 1,000 or More Employee Size Class

E1000NF         C       Mid-March Employees Noise Flag: - 1,000 or More Employee Size Class

E1000           N       Mid-March Employees with Noise: - 1,000 or More Employee Size Class

Q1000NF         C       First Quarter Payroll Noise Flag: - 1,000 or More Employee Size Class

Q1000           N       First Quarter Payroll ($1,000) with Noise: - 1,000 or More Employee Size Class

A1000NF         C       Annual Payroll Noise Flag: - 1,000 or More Employee Size Class

A1000           N       Annual Payroll ($1,000) with Noise: - 1,000 or More Employee Size Class

N1000           N       Number of Establishments: 1,000 or More Employee Size Class


NOTE: Noise Flag definitions (fields ending in NF) are:

        G       0 to < 2% noise (low noise)
        H       2 to < 5% noise (medium noise)
        D       Withheld to avoid disclosing data for individual companies; data are included in higher level totals. Employment 
                or payroll field set to zero.
        S       Withheld because estimate did not meet publication standards. Employment or payroll field set to zero.
