Frequencies for b_1_c21_72 variable in prds_hosp10_yr2015 dataset :

 b_1_c21_72 |      Freq.     Percent        Cum.
------------+-----------------------------------
      16358 |          1        0.02        0.02
      30929 |          1        0.02        0.03
     118485 |          1        0.02        0.05
     418638 |          1        0.02        0.06
     552467 |          1        0.02        0.08
     747819 |          1        0.02        0.10
          . |      6,252       99.90      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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