Frequencies for i1h_c3_32 variable in hosp_rollup2552_96_2007 dataset :

  i1h_c3_32 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3709 |          1        0.02        0.02
      40707 |          1        0.02        0.03
          . |      6,232       99.97      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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