Frequencies for s2_1_c2_1509 variable in prds_hosp10_yr2011 dataset :

s2_1_c2_150 |
          9 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,147       99.95       99.95
     058595 |          1        0.02       99.97
     258554 |          1        0.02       99.98
     268554 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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