Frequencies for s2_1_c1_131 variable in prds_hosp10_yr2010 dataset :

s2_1_c1_131 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,318       99.78       99.78
 01/05/2006 |          1        0.04       99.83
 05/01/2001 |          1        0.04       99.87
 05/23/2003 |          1        0.04       99.91
 06/24/2004 |          1        0.04       99.96
 10/01/2001 |          1        0.04      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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