Frequencies for a_c1_92 variable in hosp_rollup2552_96_1999 dataset :

    a_c1_92 |      Freq.     Percent        Cum.
------------+-----------------------------------
     111249 |          1        0.02        0.02
     146767 |          1        0.02        0.03
     179545 |          1        0.02        0.05
     218171 |          1        0.02        0.07
     236757 |          1        0.02        0.08
     272227 |          1        0.02        0.10
     411479 |          1        0.02        0.11
     454338 |          1        0.02        0.13
     469636 |          1        0.02        0.15
     718014 |          1        0.02        0.16
     816785 |          1        0.02        0.18
     825059 |          1        0.02        0.20
     844540 |          1        0.02        0.21
     887140 |          1        0.02        0.23
     941701 |          1        0.02        0.25
    1090374 |          1        0.02        0.26
    1544360 |          1        0.02        0.28
    1628040 |          1        0.02        0.30
   2.23e+07 |          1        0.02        0.31
          . |      6,077       99.69      100.00
------------+-----------------------------------
      Total |      6,096      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018