Frequencies for first 10,000 rows of a_c1_31 variable in snf_rollup2540_96_2009

    a_c1_31 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1144 |          1        0.01        0.01
      18240 |          1        0.01        0.02
      20484 |          1        0.01        0.03
     105472 |          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