Frequencies for a_c2_51 variable in snf_rollup2540_96_2011 dataset :

    a_c2_51 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -3358 |          1        0.06        0.06
       1039 |          1        0.06        0.11
       5743 |          1        0.06        0.17
      13902 |          1        0.06        0.22
      15220 |          1        0.06        0.28
      20112 |          1        0.06        0.33
      94177 |          1        0.06        0.39
     104173 |          1        0.06        0.44
     287262 |          1        0.06        0.50
     373370 |          1        0.06        0.55
     462591 |          1        0.06        0.61
     673733 |          1        0.06        0.66
     684651 |          1        0.06        0.72
     708776 |          1        0.06        0.77
     734077 |          1        0.06        0.83
     883873 |          1        0.06        0.88
     893836 |          1        0.06        0.94
    1114517 |          1        0.06        1.00
    1906473 |          1        0.06        1.05
          . |      1,790       98.95      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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