Frequencies for first 10,000 rows of s3_1_c9_8 variable in snf_rollup2540_96_19

  s3_1_c9_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018