Frequencies for first 10,000 rows of per_typ variable in person dataset : PERSON TYPE | Freq. Percent Cum. ------------+----------------------------------- 1 | 5,593 55.93 55.93 2 | 3,714 37.14 93.07 3 | 24 0.24 93.31 4 | 1 0.01 93.32 5 | 519 5.19 98.51 6 | 79 0.79 99.30 8 | 23 0.23 99.53 9 | 47 0.47 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016