Frequencies for d_5_hos_c3_51 variable in hosp_rollup2552_96_1997 dataset :

d_5_hos_c3_ |
         51 |      Freq.     Percent        Cum.
------------+-----------------------------------
         18 |          1        0.02        0.02
        527 |          1        0.02        0.03
       6075 |          1        0.02        0.05
      28953 |          1        0.02        0.06
          . |      6,311       99.94      100.00
------------+-----------------------------------
      Total |      6,315      100.00

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