Frequencies for first 10,000 rows of minute variable in person dataset :

     minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        589        5.89        5.89
          1 |         82        0.82        6.71
          2 |        104        1.04        7.75
          3 |         96        0.96        8.71
          4 |         87        0.87        9.58
          5 |        352        3.52       13.10
          6 |         71        0.71       13.81
          7 |        110        1.10       14.91
          8 |        145        1.45       16.36
          9 |         79        0.79       17.15
         10 |        414        4.14       21.29
         11 |         91        0.91       22.20
         12 |        121        1.21       23.41
         13 |        112        1.12       24.53
         14 |        151        1.51       26.04
         15 |        405        4.05       30.09
         16 |         84        0.84       30.93
         17 |         89        0.89       31.82
         18 |         84        0.84       32.66
         19 |         95        0.95       33.61
         20 |        408        4.08       37.69
         21 |        104        1.04       38.73
         22 |        104        1.04       39.77
         23 |        155        1.55       41.32
         24 |        101        1.01       42.33
         25 |        358        3.58       45.91
         26 |         95        0.95       46.86
         27 |         97        0.97       47.83
         28 |        134        1.34       49.17
         29 |         93        0.93       50.10
         30 |        577        5.77       55.87
         31 |         61        0.61       56.48
         32 |        108        1.08       57.56
         33 |         90        0.90       58.46
         34 |        103        1.03       59.49
         35 |        330        3.30       62.79
         36 |         62        0.62       63.41
         37 |        149        1.49       64.90
         38 |        115        1.15       66.05
         39 |        106        1.06       67.11
         40 |        334        3.34       70.45
         41 |         87        0.87       71.32
         42 |        112        1.12       72.44
         43 |        100        1.00       73.44
         44 |        103        1.03       74.47
         45 |        438        4.38       78.85
         46 |        104        1.04       79.89
         47 |         84        0.84       80.73
         48 |         82        0.82       81.55
         49 |         60        0.60       82.15
         50 |        481        4.81       86.96
         51 |         66        0.66       87.62
         52 |        114        1.14       88.76
         53 |        118        1.18       89.94
         54 |         79        0.79       90.73
         55 |        291        2.91       93.64
         56 |         75        0.75       94.39
         57 |         95        0.95       95.34
         58 |        108        1.08       96.42
         59 |        123        1.23       97.65
         99 |        235        2.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016