Chart 2. Comparison of the distribution of PNAICS codes with OPM and QCEW data, second quarter of 2020
PNAICS OPM QCEW

9200

0.932594 0.8665368

81R0

0.037464 0.0771479

4300

0.011269 0.0062198

420A

0.007553 0.0104537

6220

0.004736 0.0110158

62R0

0.003357 0.0186219

6110

0.001409 0.0016112

G000

0.000839 0.0015362

6113

0.000719 0.0008243

6230

0.000060 0.0001873

Note: OPM = Office of Personnel Management, PNAICS = pseudo-North American Industry Classification System, and QCEW = Quarterly Census of Employment and Wages.

Source: Authors’ calculations.