Frequencies for b_1_c21_68 variable in prds_hosp10_yr2015 dataset :

 b_1_c21_68 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3518 |          1        0.02        0.02
       9308 |          1        0.02        0.03
       9401 |          1        0.02        0.05
       9957 |          1        0.02        0.06
      25367 |          1        0.02        0.08
      26183 |          1        0.02        0.10
      37048 |          1        0.02        0.11
      56199 |          1        0.02        0.13
      64188 |          1        0.02        0.14
      76311 |          1        0.02        0.16
     168921 |          1        0.02        0.18
     203891 |          1        0.02        0.19
     397810 |          1        0.02        0.21
     772542 |          1        0.02        0.22
    1921735 |          1        0.02        0.24
          . |      6,243       99.76      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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