Frequencies for d3_ipf_c2_98 variable in prds_hosp10_yr2012 dataset :

d3_ipf_c2_9 |
          8 |      Freq.     Percent        Cum.
------------+-----------------------------------
        186 |          1        0.02        0.02
       3483 |          1        0.02        0.03
      16008 |          1        0.02        0.05
      31973 |          1        0.02        0.06
     132657 |          1        0.02        0.08
          . |      6,222       99.92      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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