Frequencies for a_c1_42 variable in prds_hosp10_yr2010 dataset :

    a_c1_42 |      Freq.     Percent        Cum.
------------+-----------------------------------
     137328 |          1        0.04        0.04
     505783 |          1        0.04        0.09
     721585 |          2        0.09        0.17
     745538 |          1        0.04        0.22
     805841 |          1        0.04        0.26
    1334128 |          1        0.04        0.30
    1750754 |          1        0.04        0.34
    1904957 |          1        0.04        0.39
    2389336 |          1        0.04        0.43
    2484754 |          1        0.04        0.47
    4235874 |          1        0.04        0.52
          . |      2,311       99.48      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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