Frequencies for a_c1_92 variable in hosp_rollup2552_96_2010 dataset :

    a_c1_92 |      Freq.     Percent        Cum.
------------+-----------------------------------
       -312 |          2        0.05        0.05
     137817 |          1        0.02        0.07
     161732 |          1        0.02        0.10
     297298 |          1        0.02        0.12
     478017 |          1        0.02        0.15
     929429 |          1        0.02        0.17
     972520 |          1        0.02        0.20
    1321279 |          1        0.02        0.22
    2002455 |          2        0.05        0.27
    3795992 |          1        0.02        0.30
          . |      3,993       99.70      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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