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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        433        4.33        4.33
          2 |        260        2.60        6.93
          3 |        327        3.27       10.20
          4 |        407        4.07       14.27
          5 |        322        3.22       17.49
          6 |        279        2.79       20.28
          7 |        194        1.94       22.22
          8 |        303        3.03       25.25
          9 |        407        4.07       29.32
         10 |        367        3.67       32.99
         11 |        380        3.80       36.79
         12 |        340        3.40       40.19
         13 |        263        2.63       42.82
         14 |        365        3.65       46.47
         15 |        353        3.53       50.00
         16 |        349        3.49       53.49
         17 |        349        3.49       56.98
         18 |        360        3.60       60.58
         19 |        280        2.80       63.38
         20 |        315        3.15       66.53
         21 |        378        3.78       70.31
         22 |        331        3.31       73.62
         23 |        349        3.49       77.11
         24 |        267        2.67       79.78
         25 |        334        3.34       83.12
         26 |        338        3.38       86.50
         27 |        304        3.04       89.54
         28 |        243        2.43       91.97
         29 |        345        3.45       95.42
         30 |        273        2.73       98.15
         31 |        175        1.75       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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