Frequencies for proc_dt variable in hospc_rpt1984_99_2001 dataset :

      hcris |
    process |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
  15 Jul 02 |          7        0.71        0.71
  16 Jul 02 |         52        5.25        5.95
  30 Jul 02 |         54        5.45       11.40
  14 Aug 02 |          5        0.50       11.91
  19 Aug 02 |          2        0.20       12.11
  11 Sep 02 |         81        8.17       20.28
  24 Sep 02 |          2        0.20       20.48
  03 Oct 02 |          4        0.40       20.89
  21 Oct 02 |          2        0.20       21.09
  22 Oct 02 |          5        0.50       21.59
  28 Oct 02 |          5        0.50       22.10
  31 Oct 02 |         10        1.01       23.11
  24 Dec 02 |          6        0.61       23.71
  26 Dec 02 |         51        5.15       28.86
  02 Jan 03 |          2        0.20       29.06
  06 Jan 03 |          1        0.10       29.16
  30 Jan 03 |         40        4.04       33.20
  03 Feb 03 |        308       31.08       64.28
  04 Feb 03 |        261       26.34       90.62
  10 Feb 03 |         10        1.01       91.62
  24 Feb 03 |         19        1.92       93.54
  06 Mar 03 |          3        0.30       93.84
  28 Mar 03 |          8        0.81       94.65
  01 May 03 |          4        0.40       95.06
  20 May 03 |          2        0.20       95.26
  30 May 03 |          1        0.10       95.36
  17 Jun 03 |          1        0.10       95.46
  18 Jul 03 |          1        0.10       95.56
  28 Jul 03 |          1        0.10       95.66
  30 Jul 03 |          2        0.20       95.86
  04 Aug 03 |          1        0.10       95.96
  15 Aug 03 |          1        0.10       96.06
  30 Sep 03 |          1        0.10       96.17
  23 Jan 04 |          1        0.10       96.27
  09 Feb 04 |          1        0.10       96.37
  22 Mar 04 |          1        0.10       96.47
  22 Apr 04 |          1        0.10       96.57
  19 Aug 04 |          5        0.50       97.07
  07 Sep 04 |          1        0.10       97.17
  15 Oct 04 |          1        0.10       97.28
  28 Oct 04 |         20        2.02       99.29
  12 Nov 04 |          1        0.10       99.39
  20 Jan 06 |          1        0.10       99.50
  15 Jun 09 |          1        0.10       99.60
  27 Aug 13 |          1        0.10       99.70
  29 Aug 13 |          3        0.30      100.00
------------+-----------------------------------
      Total |        991      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018