Frequencies for d_4_ipf_c4_200 variable in prds_hosp10_yr2011 dataset :

d_4_ipf_c4_ |
        200 |      Freq.     Percent        Cum.
------------+-----------------------------------
     131666 |          1        0.02        0.02
     144705 |          1        0.02        0.03
     451223 |          1        0.02        0.05
     464417 |          1        0.02        0.07
     493988 |          1        0.02        0.08
          . |      6,145       99.92      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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