Frequencies for first 10,000 rows of per_typ variable in person dataset : Person Type | Freq. Percent Cum. ------------+----------------------------------- 1 | 5,302 53.02 53.02 2 | 3,935 39.35 92.37 3 | 17 0.17 92.54 4 | 3 0.03 92.57 5 | 632 6.32 98.89 6 | 81 0.81 99.70 8 | 13 0.13 99.83 9 | 17 0.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016