Frequencies for first 10,000 rows of stusab variable in t_103113_4 dataset : stusab | Freq. Percent Cum. ------------+----------------------------------- AK | 167 1.67 1.67 AL | 1,181 11.81 13.48 AR | 686 6.86 20.34 AZ | 1,526 15.26 35.60 CA | 6,440 64.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018