Frequencies for d4_hos_c3_66 variable in hosp_rollup2552_96_2010 dataset :

d4_hos_c3_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
         22 |          1        0.02        0.02
       1429 |          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