Frequencies for d4_snf_c2_66 variable in hosp_rollup2552_96_1998 dataset :

d4_snf_c2_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1250 |          1        0.02        0.02
       6187 |          1        0.02        0.03
       8400 |          1        0.02        0.05
      21393 |          1        0.02        0.06
      33537 |          1        0.02        0.08
          . |      6,219       99.92      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018