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

     county |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        196        1.96        1.96
          3 |        111        1.11        3.07
          5 |        198        1.98        5.05
          7 |        183        1.83        6.88
          9 |         71        0.71        7.59
         11 |         26        0.26        7.85
         12 |         75        0.75        8.60
         13 |      1,332       13.32       21.92
         15 |        203        2.03       23.95
         16 |          3        0.03       23.98
         17 |        169        1.69       25.67
         19 |        523        5.23       30.90
         20 |         62        0.62       31.52
         21 |        291        2.91       34.43
         23 |         69        0.69       35.12
         25 |        214        2.14       37.26
         27 |         92        0.92       38.18
         29 |        153        1.53       39.71
         31 |         89        0.89       40.60
         33 |         52        0.52       41.12
         35 |         57        0.57       41.69
         37 |        672        6.72       48.41
         39 |         89        0.89       49.30
         41 |         25        0.25       49.55
         43 |         85        0.85       50.40
         45 |         65        0.65       51.05
         47 |         60        0.60       51.65
         49 |         72        0.72       52.37
         51 |        110        1.10       53.47
         53 |         62        0.62       54.09
         55 |         80        0.80       54.89
         57 |         29        0.29       55.18
         59 |        220        2.20       57.38
         61 |         34        0.34       57.72
         63 |         45        0.45       58.17
         65 |        285        2.85       61.02
         67 |        130        1.30       62.32
         69 |        108        1.08       63.40
         71 |        426        4.26       67.66
         73 |        440        4.40       72.06
         75 |         73        0.73       72.79
         77 |        118        1.18       73.97
         79 |         67        0.67       74.64
         81 |         66        0.66       75.30
         83 |         96        0.96       76.26
         85 |        147        1.47       77.73
         87 |         63        0.63       78.36
         89 |         98        0.98       79.34
         90 |         45        0.45       79.79
         91 |         38        0.38       80.17
         93 |         74        0.74       80.91
         95 |         74        0.74       81.65
         97 |        293        2.93       84.58
         99 |         83        0.83       85.41
        101 |        176        1.76       87.17
        103 |         65        0.65       87.82
        105 |         21        0.21       88.03
        107 |        106        1.06       89.09
        109 |         27        0.27       89.36
        110 |          1        0.01       89.37
        111 |         77        0.77       90.14
        113 |         51        0.51       90.65
        115 |         63        0.63       91.28
        117 |         73        0.73       92.01
        119 |        174        1.74       93.75
        121 |         45        0.45       94.20
        122 |         21        0.21       94.41
        123 |         78        0.78       95.19
        125 |        119        1.19       96.38
        127 |         59        0.59       96.97
        129 |         28        0.28       97.25
        130 |          5        0.05       97.30
        131 |         52        0.52       97.82
        133 |         19        0.19       98.01
        135 |         22        0.22       98.23
        137 |          5        0.05       98.28
        139 |          3        0.03       98.31
        141 |         15        0.15       98.46
        143 |         34        0.34       98.80
        145 |         48        0.48       99.28
        147 |          2        0.02       99.30
        149 |         10        0.10       99.40
        164 |          2        0.02       99.42
        170 |         29        0.29       99.71
        201 |          1        0.01       99.72
        240 |          7        0.07       99.79
        261 |          9        0.09       99.88
        270 |          7        0.07       99.95
        290 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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