Frequencies for first 10,000 rows of prov1635 variable in pos2010 dataset :

  PRIOR LTC |
  EXTENSION |
       DATE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,977       99.77       99.77
   19951201 |          3        0.03       99.80
   19960930 |          1        0.01       99.81
   20100701 |          1        0.01       99.82
   20100831 |          1        0.01       99.83
   20101130 |          5        0.05       99.88
   20101231 |          1        0.01       99.89
   20110131 |          1        0.01       99.90
   20110228 |          9        0.09       99.99
   20110331 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017