Frequencies for d3_hos_c3_97 variable in prds_hosp10_yr2012 dataset :

d3_hos_c3_9 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
         54 |          1        0.02        0.02
        513 |          1        0.02        0.03
      87589 |          1        0.02        0.05
          . |      6,224       99.95      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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