Frequencies for d_4_hos_c2_68 variable in hosp_rollup2552_96_2000 dataset :

d_4_hos_c2_ |
         68 |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          1        0.02        0.02
      13070 |          1        0.02        0.03
      20858 |          1        0.02        0.05
     180835 |          1        0.02        0.07
          . |      6,091       99.93      100.00
------------+-----------------------------------
      Total |      6,095      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018