Frequencies for first 10,000 rows of prov1615 variable in posclia2003 dataset :

   prov1615 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,978       99.78       99.78
   19970515 |          1        0.01       99.79
   19970708 |          5        0.05       99.84
   19971021 |          1        0.01       99.85
   19980101 |          1        0.01       99.86
   19981229 |          1        0.01       99.87
   19990208 |          1        0.01       99.88
   19990218 |          1        0.01       99.89
   19990311 |          1        0.01       99.90
   19990820 |          1        0.01       99.91
   19990922 |          1        0.01       99.92
   20000426 |          1        0.01       99.93
   20010209 |          1        0.01       99.94
   20010402 |          1        0.01       99.95
   20010501 |          1        0.01       99.96
   20010924 |          1        0.01       99.97
   20020723 |          1        0.01       99.98
   20021022 |          1        0.01       99.99
   20031001 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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