Frequencies for e_b_snf_c1_12 variable in hosp_rollup2552_96_2002 dataset :

e_b_snf_c1_ |
         12 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
        227 |          1        0.02        0.03
      18851 |          1        0.02        0.05
      27340 |          1        0.02        0.07
          . |      6,120       99.93      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018