Frequencies for d_2_hos_c6_66 variable in hosp_rollup2552_96_1999 dataset :

d_2_hos_c6_ |
         66 |      Freq.     Percent        Cum.
------------+-----------------------------------
          8 |          1        0.02        0.02
         19 |          1        0.02        0.03
       3413 |          1        0.02        0.05
          . |      6,093       99.95      100.00
------------+-----------------------------------
      Total |      6,096      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018