Frequencies for e_b_snf_c1_27 variable in hosp_rollup2552_96_2007 dataset :

e_b_snf_c1_ |
         27 |      Freq.     Percent        Cum.
------------+-----------------------------------
        589 |          1        0.02        0.02
       1904 |          3        0.05        0.06
       2675 |          1        0.02        0.08
       3574 |          1        0.02        0.10
          . |      6,228       99.90      100.00
------------+-----------------------------------
      Total |      6,234      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018