Frequencies for i1d_c1_32 variable in hosp_rollup2552_96_2009 dataset :

  i1d_c1_32 |      Freq.     Percent        Cum.
------------+-----------------------------------
        268 |          1        0.02        0.02
        989 |          2        0.03        0.05
      39115 |          1        0.02        0.06
      79638 |          1        0.02        0.08
     197789 |          1        0.02        0.09
          . |      6,354       99.91      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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