Frequencies for d_4_hos_c1_37 variable in hosp_rollup2552_96_2010 dataset :

d_4_hos_c1_ |
         37 |      Freq.     Percent        Cum.
------------+-----------------------------------
     193283 |          1        0.02        0.02
     300723 |          1        0.02        0.05
          . |      4,003       99.95      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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