Frequencies for first 10,000 rows of occp_cod variable in demo2007q4 dataset : Abbreviatio | n for the | reporter's | type of | occupation | in the | latest | version of | a ca | Freq. Percent Cum. ------------+----------------------------------- | 1,419 14.19 14.19 CN | 3,226 32.26 46.45 LW | 341 3.41 49.86 MD | 3,010 30.10 79.96 OT | 1,571 15.71 95.67 PH | 433 4.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015