Frequencies for first 10,000 rows of state variable in person dataset : state | number | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,880 18.80 18.80 2 | 158 1.58 20.38 4 | 2,164 21.64 42.02 5 | 1,131 11.31 53.33 6 | 4,667 46.67 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016