Frequencies for b_1_c21_98 variable in prds_hosp10_yr2013 dataset :

 b_1_c21_98 |      Freq.     Percent        Cum.
------------+-----------------------------------
      22828 |          1        0.02        0.02
      31146 |          1        0.02        0.03
      91063 |          1        0.02        0.05
     154339 |          1        0.02        0.06
    1530868 |          1        0.02        0.08
          . |      6,243       99.92      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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