Frequencies for s2_1_c1_131 variable in prds_hosp10_yr2011 dataset :

s2_1_c1_131 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,139       99.82       99.82
 01/05/2006 |          1        0.02       99.84
 04/01/2001 |          2        0.03       99.87
 04/13/2011 |          1        0.02       99.89
 05/01/2001 |          1        0.02       99.90
 05/23/2003 |          1        0.02       99.92
 06/07/2005 |          1        0.02       99.93
 06/24/2004 |          1        0.02       99.95
 08/09/2005 |          1        0.02       99.97
 10/01/2001 |          1        0.02       99.98
 12/15/2010 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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