Frequencies for d4_snf_c2_67 variable in hosp_rollup2552_96_1999 dataset :

d4_snf_c2_6 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
        155 |          1        0.02        0.02
        861 |          1        0.02        0.03
       1270 |          1        0.02        0.05
     632859 |          1        0.02        0.07
          . |      6,092       99.93      100.00
------------+-----------------------------------
      Total |      6,096      100.00

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