Frequencies for d4_snf_c2_68 variable in hosp_rollup2552_96_1997 dataset :

d4_snf_c2_6 |
          8 |      Freq.     Percent        Cum.
------------+-----------------------------------
         29 |          2        0.03        0.03
        129 |          1        0.02        0.05
       2484 |          1        0.02        0.06
       3749 |          1        0.02        0.08
       3919 |          1        0.02        0.10
      12981 |          1        0.02        0.11
          . |      6,308       99.89      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018