Frequencies for first 10,000 rows of state variable in person dataset : State | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,982 19.82 19.82 2 | 267 2.67 22.49 4 | 1,858 18.58 41.07 5 | 1,360 13.60 54.67 6 | 4,533 45.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016