Frequencies for first 10,000 rows of prov0450 variable in posclia2004 dataset :

   prov0450 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,988       99.88       99.88
   20030808 |          1        0.01       99.89
   20030904 |          1        0.01       99.90
   20030910 |          1        0.01       99.91
   20040210 |          1        0.01       99.92
   20040211 |          1        0.01       99.93
   20040212 |          1        0.01       99.94
   20040308 |          1        0.01       99.95
   20040331 |          1        0.01       99.96
   20040615 |          2        0.02       99.98
   20040712 |          1        0.01       99.99
   20040720 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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