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

     Person |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,034       60.34       60.34
          2 |      2,209       22.09       82.43
          3 |        881        8.81       91.24
          4 |        424        4.24       95.48
          5 |        199        1.99       97.47
          6 |         94        0.94       98.41
          7 |         41        0.41       98.82
          8 |         27        0.27       99.09
          9 |         19        0.19       99.28
         10 |          9        0.09       99.37
         11 |          7        0.07       99.44
         12 |          5        0.05       99.49
         13 |          4        0.04       99.53
         14 |          4        0.04       99.57
         15 |          4        0.04       99.61
         16 |          4        0.04       99.65
         17 |          4        0.04       99.69
         18 |          4        0.04       99.73
         19 |          3        0.03       99.76
         20 |          3        0.03       99.79
         21 |          3        0.03       99.82
         22 |          3        0.03       99.85
         23 |          2        0.02       99.87
         24 |          2        0.02       99.89
         25 |          1        0.01       99.90
         26 |          1        0.01       99.91
         27 |          1        0.01       99.92
         28 |          1        0.01       99.93
         29 |          1        0.01       99.94
         30 |          1        0.01       99.95
         31 |          1        0.01       99.96
         32 |          1        0.01       99.97
         33 |          1        0.01       99.98
         34 |          1        0.01       99.99
         35 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016