Frequencies for first 10,000 rows of prov3230 variable in pos2006 dataset : state | abbreviatio | n | Freq. Percent Cum. ------------+----------------------------------- AK | 246 2.46 2.46 AL | 1,782 17.82 20.28 AR | 1,858 18.58 38.86 AZ | 1,369 13.69 52.55 CA | 4,745 47.45 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016