Frequencies for s2_1_c2_3801 variable in prds_hosp10_yr2011 dataset :

s2_1_c2_380 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,148       99.97       99.97
 06/30/2012 |          1        0.02       99.98
 12/31/2011 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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