Frequencies for first 10,000 rows of stsubres variable in natl1980 dataset : State | Subcode of | Residence | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 0.01 0.01 31 | 1 0.01 0.02 33 | 1 0.01 0.03 52 | 1 0.01 0.04 53 | 1 0.01 0.05 55 | 1 0.01 0.06 56 | 3 0.03 0.09 58 | 53 0.53 0.62 59 | 88 0.88 1.50 61 | 1 0.01 1.51 62 | 84 0.84 2.35 63 | 9,718 97.18 99.53 64 | 44 0.44 99.97 91 | 1 0.01 99.98 93 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016