Frequencies for first 10,000 rows of prov1635 variable in pos1999 dataset :

  prior ltc |
  extension |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,674       96.74       96.74
   19900228 |          1        0.01       96.75
   19900331 |          1        0.01       96.76
   19900630 |          1        0.01       96.77
   19900731 |          2        0.02       96.79
   19910531 |          1        0.01       96.80
   19910831 |          2        0.02       96.82
   19910930 |          1        0.01       96.83
   19911031 |          1        0.01       96.84
   19911130 |          1        0.01       96.85
   19911231 |          2        0.02       96.87
   19920229 |          3        0.03       96.90
   19920430 |          1        0.01       96.91
   19920531 |          1        0.01       96.92
   19920630 |          2        0.02       96.94
   19920831 |          1        0.01       96.95
   19930228 |          1        0.01       96.96
   19930531 |          1        0.01       96.97
   19930630 |          1        0.01       96.98
   19930831 |          1        0.01       96.99
   19930930 |          1        0.01       97.00
   19931231 |          1        0.01       97.01
   19940430 |          1        0.01       97.02
   19940531 |          1        0.01       97.03
   19940731 |          2        0.02       97.05
   19940831 |          1        0.01       97.06
   19941031 |          1        0.01       97.07
   19941231 |          1        0.01       97.08
   19950531 |          1        0.01       97.09
   19950630 |          2        0.02       97.11
   19950831 |          1        0.01       97.12
   19950930 |          1        0.01       97.13
   19951201 |          3        0.03       97.16
   19951231 |          2        0.02       97.18
   19960229 |          1        0.01       97.19
   19960930 |          1        0.01       97.20
   19961031 |          1        0.01       97.21
   19961130 |          2        0.02       97.23
   19970430 |          1        0.01       97.24
   19970831 |          1        0.01       97.25
   19970930 |          1        0.01       97.26
   19971130 |          1        0.01       97.27
   19971231 |          1        0.01       97.28
   19980831 |          1        0.01       97.29
   19980930 |          1        0.01       97.30
   19981031 |          3        0.03       97.33
   19981130 |          4        0.04       97.37
   19981231 |          8        0.08       97.45
   19990101 |          1        0.01       97.46
   19990131 |         25        0.25       97.71
   19990228 |         20        0.20       97.91
   19990331 |         35        0.35       98.26
   19990430 |         22        0.22       98.48
   19990531 |         36        0.36       98.84
   19990630 |         37        0.37       99.21
   19990731 |         17        0.17       99.38
   19990831 |         14        0.14       99.52
   19990930 |         16        0.16       99.68
   19991031 |         14        0.14       99.82
   19991130 |         13        0.13       99.95
   19991231 |          3        0.03       99.98
   20000130 |          1        0.01       99.99
   20000131 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016