Frequencies for d4_snf_c2_67 variable in hosp_rollup2552_96_2002 dataset :

d4_snf_c2_6 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
         31 |          1        0.02        0.02
        287 |          1        0.02        0.03
     771597 |          1        0.02        0.05
          . |      6,121       99.95      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018