Frequencies for e_b_snf_c1_20 variable in prds_hosp10_yr2010 dataset :

e_b_snf_c1_ |
         20 |      Freq.     Percent        Cum.
------------+-----------------------------------
         15 |          1        0.04        0.04
        235 |          1        0.04        0.09
       1089 |          1        0.04        0.13
          . |      2,320       99.87      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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