Frequencies for first 10,000 rows of a_c6_39 variable in snf_rollup2540_96_2006 a_c6_39 | Freq. Percent Cum. ------------+----------------------------------- -4753 | 1 0.01 0.01 -1292 | 1 0.01 0.02 49790 | 1 0.01 0.03 . | 9,997 99.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018