Frequencies for a_c2_49 variable in snf_rollup2540_96_1997 dataset :

    a_c2_49 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1326 |          1        0.01        0.01
       3623 |          1        0.01        0.02
       6748 |          1        0.01        0.03
      60808 |          2        0.02        0.04
      83443 |          1        0.01        0.05
     141926 |          1        0.01        0.06
     371803 |          1        0.01        0.07
          . |     11,910       99.93      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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