Frequencies for c_1_c2_67 variable in prds_hosp10_yr2011 dataset :

  c_1_c2_67 |      Freq.     Percent        Cum.
------------+-----------------------------------
         94 |          1        0.02        0.02
       3050 |          1        0.02        0.03
      23789 |          1        0.02        0.05
          . |      6,147       99.95      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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