Frequencies for b_1_c21_112 variable in prds_hosp10_yr2012 dataset :

b_1_c21_112 |      Freq.     Percent        Cum.
------------+-----------------------------------
       9687 |          1        0.02        0.02
      13198 |          1        0.02        0.03
      45271 |          1        0.02        0.05
      58522 |          1        0.02        0.06
      64625 |          1        0.02        0.08
          . |      6,222       99.92      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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