Frequencies for a7_1_c3_9 variable in prds_hosp10_yr2017 dataset :

  a7_1_c3_9 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -135476 |          1        0.03        0.03
     394479 |          1        0.03        0.05
     628652 |          1        0.03        0.08
    1488923 |          1        0.03        0.11
   3.82e+07 |          1        0.03        0.13
   6.95e+07 |          1        0.03        0.16
          . |      3,743       99.84      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018