Frequencies for d_4_hos_c1_37 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c1_ |
         37 |      Freq.     Percent        Cum.
------------+-----------------------------------
      58677 |          1        0.02        0.02
     288284 |          1        0.02        0.03
          . |      6,358       99.97      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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