Frequencies for e_b_snf_c1_2 variable in hosp_rollup2552_96_1999 dataset :

e_b_snf_c1_ |
          2 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1289 |          1        0.02        0.02
      15758 |          1        0.02        0.03
      31735 |          1        0.02        0.05
          . |      6,093       99.95      100.00
------------+-----------------------------------
      Total |      6,096      100.00

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