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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        392        3.92        3.92
          2 |        362        3.62        7.54
          3 |        396        3.96       11.50
          4 |        300        3.00       14.50
          5 |        331        3.31       17.81
          6 |        302        3.02       20.83
          7 |        343        3.43       24.26
          8 |        464        4.64       28.90
          9 |        275        2.75       31.65
         10 |        211        2.11       33.76
         11 |        272        2.72       36.48
         12 |        295        2.95       39.43
         13 |        286        2.86       42.29
         14 |        303        3.03       45.32
         15 |        341        3.41       48.73
         16 |        401        4.01       52.74
         17 |        331        3.31       56.05
         18 |        397        3.97       60.02
         19 |        305        3.05       63.07
         20 |        305        3.05       66.12
         21 |        356        3.56       69.68
         22 |        275        2.75       72.43
         23 |        345        3.45       75.88
         24 |        296        2.96       78.84
         25 |        384        3.84       82.68
         26 |        304        3.04       85.72
         27 |        305        3.05       88.77
         28 |        278        2.78       91.55
         29 |        390        3.90       95.45
         30 |        312        3.12       98.57
         31 |        137        1.37       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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