Frequencies for s2_1_c2_36 variable in prds_hosp10_yr2011 dataset :

 s2_1_c2_36 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,698       92.65       92.65
 01/13/2011 |          1        0.02       92.67
 01/31/2012 |          4        0.07       92.73
 02/14/2012 |          1        0.02       92.75
 02/29/2012 |          3        0.05       92.80
 03/31/2012 |         14        0.23       93.02
 04/30/2012 |         11        0.18       93.20
 05/31/2012 |         10        0.16       93.37
 06/30/2011 |          2        0.03       93.40
 06/30/2012 |        141        2.29       95.69
 07/31/2012 |          3        0.05       95.74
 08/31/2011 |          1        0.02       95.76
 08/31/2012 |         11        0.18       95.93
 09/30/2011 |         98        1.59       97.53
 10/31/2011 |          7        0.11       97.64
 11/30/2011 |          1        0.02       97.66
 12/31/2011 |        144        2.34      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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