Frequencies for first 10,000 rows of prov0450 variable in posclia2008 dataset :

    date of |
       last |
 validation |
     survey |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,931       99.31       99.31
   20030808 |          1        0.01       99.32
   20030904 |          1        0.01       99.33
   20030910 |          1        0.01       99.34
   20040210 |          1        0.01       99.35
   20040211 |          1        0.01       99.36
   20040212 |          1        0.01       99.37
   20040308 |          1        0.01       99.38
   20040331 |          1        0.01       99.39
   20040615 |          2        0.02       99.41
   20040712 |          1        0.01       99.42
   20040720 |          1        0.01       99.43
   20041209 |          1        0.01       99.44
   20041230 |          1        0.01       99.45
   20050119 |          1        0.01       99.46
   20050301 |          1        0.01       99.47
   20050316 |          1        0.01       99.48
   20050323 |          1        0.01       99.49
   20050331 |          1        0.01       99.50
   20050412 |          1        0.01       99.51
   20050414 |          1        0.01       99.52
   20050429 |          1        0.01       99.53
   20050527 |          1        0.01       99.54
   20050614 |          1        0.01       99.55
   20050621 |          1        0.01       99.56
   20051116 |          1        0.01       99.57
   20051214 |          1        0.01       99.58
   20060111 |          1        0.01       99.59
   20060112 |          1        0.01       99.60
   20060130 |          1        0.01       99.61
   20060201 |          1        0.01       99.62
   20060221 |          1        0.01       99.63
   20060307 |          1        0.01       99.64
   20060411 |          1        0.01       99.65
   20060418 |          1        0.01       99.66
   20060524 |          1        0.01       99.67
   20060629 |          1        0.01       99.68
   20060630 |          1        0.01       99.69
   20060727 |          1        0.01       99.70
   20060803 |          1        0.01       99.71
   20060926 |          1        0.01       99.72
   20070110 |          4        0.04       99.76
   20070201 |          1        0.01       99.77
   20070314 |          1        0.01       99.78
   20070320 |          1        0.01       99.79
   20070508 |          2        0.02       99.81
   20070510 |          1        0.01       99.82
   20070515 |          1        0.01       99.83
   20070531 |          1        0.01       99.84
   20070712 |          1        0.01       99.85
   20070924 |          1        0.01       99.86
   20080115 |          1        0.01       99.87
   20080116 |          1        0.01       99.88
   20080122 |          1        0.01       99.89
   20080125 |          1        0.01       99.90
   20080221 |          1        0.01       99.91
   20080305 |          1        0.01       99.92
   20080326 |          1        0.01       99.93
   20080409 |          1        0.01       99.94
   20080623 |          1        0.01       99.95
   20080723 |          1        0.01       99.96
   20080730 |          1        0.01       99.97
   20080918 |          1        0.01       99.98
   20080930 |          1        0.01       99.99
   20081016 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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