Frequencies for first 10,000 rows of state variable in person dataset : State | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,924 19.24 19.24 2 | 230 2.30 21.54 4 | 2,317 23.17 44.71 5 | 1,211 12.11 56.82 6 | 4,318 43.18 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016