Frequencies for a_c1_24 variable in snf_rollup2540_96_2011 dataset :

    a_c1_24 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.06        0.06
        180 |          1        0.06        0.11
        291 |          1        0.06        0.17
        301 |          1        0.06        0.22
        610 |          1        0.06        0.28
       2096 |          4        0.22        0.50
       3188 |          1        0.06        0.55
       3781 |          1        0.06        0.61
       5926 |          1        0.06        0.66
       5958 |          1        0.06        0.72
       5991 |          1        0.06        0.77
       6268 |          1        0.06        0.83
       6998 |          1        0.06        0.88
       8881 |          1        0.06        0.94
       9740 |          1        0.06        1.00
      10889 |          1        0.06        1.05
      21940 |          1        0.06        1.11
      23384 |          1        0.06        1.16
      36796 |          1        0.06        1.22
      44021 |          1        0.06        1.27
      73407 |          1        0.06        1.33
      94417 |          1        0.06        1.38
     105059 |          1        0.06        1.44
     216032 |          1        0.06        1.49
     311396 |          1        0.06        1.55
     541843 |          1        0.06        1.60
     544885 |          1        0.06        1.66
     566420 |          1        0.06        1.71
     724657 |          1        0.06        1.77
     734269 |          1        0.06        1.82
          . |      1,776       98.18      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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