Frequencies for first 10,000 rows of prov3210 variable in pos1992 dataset :

  total 670 |
  hours for |
    prior 2 |
     survey |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,970       99.70       99.70
       3.25 |          1        0.01       99.71
       3.75 |          1        0.01       99.72
          5 |          1        0.01       99.73
       7.25 |          1        0.01       99.74
      30.75 |          1        0.01       99.75
       35.5 |          1        0.01       99.76
         36 |          1        0.01       99.77
         74 |          1        0.01       99.78
      76.75 |          1        0.01       99.79
         78 |          1        0.01       99.80
      98.25 |          1        0.01       99.81
        103 |          1        0.01       99.82
      104.5 |          1        0.01       99.83
      115.5 |          1        0.01       99.84
        116 |          1        0.01       99.85
        118 |          1        0.01       99.86
     126.25 |          1        0.01       99.87
     145.25 |          1        0.01       99.88
        149 |          1        0.01       99.89
        152 |          1        0.01       99.90
     167.75 |          1        0.01       99.91
        175 |          1        0.01       99.92
     184.75 |          1        0.01       99.93
     251.75 |          1        0.01       99.94
      278.5 |          1        0.01       99.95
     361.25 |          1        0.01       99.96
     442.25 |          1        0.01       99.97
        453 |          1        0.01       99.98
     580.75 |          1        0.01       99.99
      646.5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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