Frequencies for d4_sub2_c3_68 variable in hosp_rollup2552_96_2004 dataset :

d4_sub2_c3_ |
         68 |      Freq.     Percent        Cum.
------------+-----------------------------------
       2275 |          1        0.02        0.02
       5138 |          1        0.02        0.03
      18628 |          1        0.02        0.05
          . |      6,200       99.95      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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