Frequencies for d3_ipf_c2_98 variable in prds_hosp10_yr2010 dataset :

d3_ipf_c2_9 |
          8 |      Freq.     Percent        Cum.
------------+-----------------------------------
      18315 |          1        0.04        0.04
      25736 |          1        0.04        0.09
     212360 |          1        0.04        0.13
          . |      2,320       99.87      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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