Frequencies for b_1_c21_88 variable in prds_hosp10_yr2011 dataset :

 b_1_c21_88 |      Freq.     Percent        Cum.
------------+-----------------------------------
       4177 |          1        0.02        0.02
      26322 |          1        0.02        0.03
     246175 |          1        0.02        0.05
     250635 |          1        0.02        0.07
          . |      6,146       99.93      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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