Frequencies for d_4_hos_c2_68 variable in hosp_rollup2552_96_2001 dataset :

d_4_hos_c2_ |
         68 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.02        0.02
      19669 |          1        0.02        0.03
      99609 |          1        0.02        0.05
          . |      6,062       99.95      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018