Frequencies for d4_snf_c2_66 variable in hosp_rollup2552_96_2007 dataset :

d4_snf_c2_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
        179 |          1        0.02        0.02
       1374 |          1        0.02        0.03
      28960 |          1        0.02        0.05
          . |      6,231       99.95      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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