Frequencies for a_c2_111 variable in prds_hosp10_yr2013 dataset :

   a_c2_111 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -3527 |          1        0.02        0.02
      35847 |          1        0.02        0.03
      48337 |          1        0.02        0.05
     136577 |          1        0.02        0.06
     535911 |          1        0.02        0.08
          . |      6,243       99.92      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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