Frequencies for e_b_snf_c1_30 variable in hosp_rollup2552_96_2008 dataset :

e_b_snf_c1_ |
         30 |      Freq.     Percent        Cum.
------------+-----------------------------------
        -18 |          1        0.02        0.02
         58 |          1        0.02        0.03
          . |      6,372       99.97      100.00
------------+-----------------------------------
      Total |      6,374      100.00

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