Frequencies for a_c1_92 variable in hosp_rollup2552_96_2003 dataset :

    a_c1_92 |      Freq.     Percent        Cum.
------------+-----------------------------------
      28941 |          1        0.02        0.02
     137148 |          1        0.02        0.03
     211022 |          1        0.02        0.05
     241639 |          1        0.02        0.07
     280077 |          1        0.02        0.08
     333074 |          1        0.02        0.10
     387478 |          1        0.02        0.11
     453263 |          1        0.02        0.13
     519005 |          1        0.02        0.15
     586411 |          1        0.02        0.16
     625894 |          1        0.02        0.18
    1011031 |          1        0.02        0.20
    1012857 |          1        0.02        0.21
    1252272 |          1        0.02        0.23
    1287457 |          1        0.02        0.25
    1769523 |          1        0.02        0.26
    2013812 |          1        0.02        0.28
    3724705 |          1        0.02        0.29
   2.82e+07 |          1        0.02        0.31
          . |      6,101       99.69      100.00
------------+-----------------------------------
      Total |      6,120      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018