Frequencies for a_c1_92 variable in hosp_rollup2552_96_2008 dataset :

    a_c1_92 |      Freq.     Percent        Cum.
------------+-----------------------------------
        779 |          1        0.02        0.02
       4252 |          1        0.02        0.03
     120224 |          1        0.02        0.05
     132223 |          1        0.02        0.06
     170872 |          1        0.02        0.08
     351818 |          1        0.02        0.09
     362924 |          1        0.02        0.11
     389419 |          1        0.02        0.13
     737791 |          2        0.03        0.16
    1070686 |          2        0.03        0.19
    1249797 |          1        0.02        0.20
    1377202 |          1        0.02        0.22
    1473488 |          1        0.02        0.24
    1901816 |          1        0.02        0.25
    3245203 |          1        0.02        0.27
   4.10e+07 |          1        0.02        0.28
          . |      6,356       99.72      100.00
------------+-----------------------------------
      Total |      6,374      100.00

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