Frequencies for first 10,000 rows of prov2700 variable in pos1999 dataset : state code | (ssa) | Freq. Percent Cum. ------------+----------------------------------- 01 | 1,490 14.90 14.90 02 | 199 1.99 16.89 03 | 1,087 10.87 27.76 04 | 1,576 15.76 43.52 05 | 5,648 56.48 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016