Frequencies for a_c1_12 variable in prds_hosp10_yr2010 dataset :

    a_c1_12 |      Freq.     Percent        Cum.
------------+-----------------------------------
      11046 |          1        0.04        0.04
      27073 |          1        0.04        0.09
      45271 |          1        0.04        0.13
      63110 |          1        0.04        0.17
      70692 |          1        0.04        0.22
      74816 |          1        0.04        0.26
     129808 |          1        0.04        0.30
     136556 |          1        0.04        0.34
     273960 |          1        0.04        0.39
     286892 |          1        0.04        0.43
     427021 |          1        0.04        0.47
     601428 |          1        0.04        0.52
    1001049 |          1        0.04        0.56
    1109709 |          1        0.04        0.60
    1512119 |          1        0.04        0.65
    4891845 |          1        0.04        0.69
   2.69e+07 |          1        0.04        0.73
          . |      2,306       99.27      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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