Frequencies for a_c2_115 variable in prds_hosp10_yr2010 dataset :

   a_c2_115 |      Freq.     Percent        Cum.
------------+-----------------------------------
     235796 |          1        0.04        0.04
    1357315 |          1        0.04        0.09
    3124014 |          1        0.04        0.13
    3499986 |          1        0.04        0.17
          . |      2,319       99.83      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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