Frequencies for s2_1_c2_127 variable in prds_hosp10_yr2010 dataset :

s2_1_c2_127 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,321       99.91       99.91
 07/11/2009 |          1        0.04       99.96
 07/15/2012 |          1        0.04      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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