Frequencies for d_4_snf_c11_51 variable in prds_hosp10_yr2011 dataset :

d_4_snf_c11 |
        _51 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |          1        0.02        0.03
          4 |          1        0.02        0.05
         16 |          1        0.02        0.07
         23 |          1        0.02        0.08
          . |      6,145       99.92      100.00
------------+-----------------------------------
      Total |      6,150      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018