Frequencies for s2_1_c1_38 variable in prds_hosp10_yr2011 dataset :

 s2_1_c1_38 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,930       96.42       96.42
 01/01/2011 |         56        0.91       97.33
 01/05/2011 |          1        0.02       97.35
 02/01/2011 |          3        0.05       97.40
 03/01/2011 |          4        0.07       97.46
 04/01/2011 |         11        0.18       97.64
 05/01/2011 |         11        0.18       97.82
 07/01/2011 |         59        0.96       98.78
 08/01/2011 |          3        0.05       98.83
 08/07/2011 |          1        0.02       98.85
 09/01/2011 |          4        0.07       98.91
 09/14/2011 |          1        0.02       98.93
 09/25/2011 |          2        0.03       98.96
 10/01/2010 |         53        0.86       99.82
 10/01/2011 |          2        0.03       99.85
 10/10/2010 |          1        0.02       99.87
 11/01/2010 |          2        0.03       99.90
 11/01/2011 |          1        0.02       99.92
 12/01/2010 |          3        0.05       99.97
 12/01/2011 |          1        0.02       99.98
 12/14/2011 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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