Frequencies for e_b_snf_c1_30 variable in hosp_rollup2552_96_1997 dataset :

e_b_snf_c1_ |
         30 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -1818 |          1        0.02        0.02
       -250 |          1        0.02        0.03
        -33 |          1        0.02        0.05
       6243 |          1        0.02        0.06
      14568 |          1        0.02        0.08
          . |      6,310       99.92      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018