Frequencies for first 10,000 rows of a_c2_44 variable in snf_rollup2540_96_1999 a_c2_44 | Freq. Percent Cum. ------------+----------------------------------- 271 | 1 0.01 0.01 668 | 1 0.01 0.02 2047 | 1 0.01 0.03 52388 | 1 0.01 0.04 . | 9,996 99.96 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018