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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        346        3.46        3.46
          2 |        340        3.40        6.86
          3 |        315        3.15       10.01
          4 |        393        3.93       13.94
          5 |        377        3.77       17.71
          6 |        441        4.41       22.12
          7 |        338        3.38       25.50
          8 |        310        3.10       28.60
          9 |        358        3.58       32.18
         10 |        285        2.85       35.03
         11 |        298        2.98       38.01
         12 |        388        3.88       41.89
         13 |        289        2.89       44.78
         14 |        360        3.60       48.38
         15 |        354        3.54       51.92
         16 |        321        3.21       55.13
         17 |        260        2.60       57.73
         18 |        260        2.60       60.33
         19 |        345        3.45       63.78
         20 |        357        3.57       67.35
         21 |        339        3.39       70.74
         22 |        264        2.64       73.38
         23 |        339        3.39       76.77
         24 |        335        3.35       80.12
         25 |        318        3.18       83.30
         26 |        276        2.76       86.06
         27 |        313        3.13       89.19
         28 |        300        3.00       92.19
         29 |        292        2.92       95.11
         30 |        293        2.93       98.04
         31 |        163        1.63       99.67
         99 |         33        0.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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