Frequencies for d3_hos_c3_96 variable in prds_hosp10_yr2015 dataset :

d3_hos_c3_9 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
        453 |          1        0.02        0.02
        828 |          1        0.02        0.03
       3392 |          1        0.02        0.05
      16119 |          1        0.02        0.06
          . |      6,254       99.94      100.00
------------+-----------------------------------
      Total |      6,258      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018