Frequencies for first 10,000 rows of p3 variable in miper dataset :

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,874       58.74       58.74
          1 |         25        0.25       58.99
          2 |         78        0.78       59.77
          3 |         73        0.73       60.50
          4 |         74        0.74       61.24
          5 |         80        0.80       62.04
          6 |        120        1.20       63.24
          7 |        103        1.03       64.27
          8 |        135        1.35       65.62
          9 |        151        1.51       67.13
         10 |        165        1.65       68.78
         11 |        156        1.56       70.34
         12 |        194        1.94       72.28
         13 |        169        1.69       73.97
         14 |        188        1.88       75.85
         15 |        164        1.64       77.49
         16 |        229        2.29       79.78
         17 |        249        2.49       82.27
         18 |        180        1.80       84.07
         19 |        160        1.60       85.67
         20 |        184        1.84       87.51
         21 |        166        1.66       89.17
         22 |        160        1.60       90.77
         23 |        150        1.50       92.27
         24 |        126        1.26       93.53
         25 |        107        1.07       94.60
         26 |         96        0.96       95.56
         27 |         73        0.73       96.29
         28 |         66        0.66       96.95
         29 |         51        0.51       97.46
         30 |         52        0.52       97.98
         31 |         49        0.49       98.47
         32 |         23        0.23       98.70
         33 |         24        0.24       98.94
         34 |         19        0.19       99.13
         35 |         12        0.12       99.25
         36 |         15        0.15       99.40
         37 |         12        0.12       99.52
         38 |         10        0.10       99.62
         39 |          7        0.07       99.69
         40 |          4        0.04       99.73
         41 |          5        0.05       99.78
         42 |          6        0.06       99.84
         43 |          4        0.04       99.88
         44 |          2        0.02       99.90
         46 |          3        0.03       99.93
         47 |          1        0.01       99.94
         48 |          2        0.02       99.96
         49 |          1        0.01       99.97
         50 |          1        0.01       99.98
         56 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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