Frequencies for first 10,000 rows of p1 variable in miper dataset :

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,938       59.38       59.38
          1 |         24        0.24       59.62
          2 |         74        0.74       60.36
          3 |         67        0.67       61.03
          4 |         78        0.78       61.81
          5 |         79        0.79       62.60
          6 |        100        1.00       63.60
          7 |        106        1.06       64.66
          8 |        132        1.32       65.98
          9 |        144        1.44       67.42
         10 |        144        1.44       68.86
         11 |        161        1.61       70.47
         12 |        173        1.73       72.20
         13 |        167        1.67       73.87
         14 |        190        1.90       75.77
         15 |        190        1.90       77.67
         16 |        229        2.29       79.96
         17 |        224        2.24       82.20
         18 |        176        1.76       83.96
         19 |        177        1.77       85.73
         20 |        180        1.80       87.53
         21 |        153        1.53       89.06
         22 |        161        1.61       90.67
         23 |        155        1.55       92.22
         24 |        130        1.30       93.52
         25 |        103        1.03       94.55
         26 |         93        0.93       95.48
         27 |         72        0.72       96.20
         28 |         64        0.64       96.84
         29 |         53        0.53       97.37
         30 |         51        0.51       97.88
         31 |         43        0.43       98.31
         32 |         32        0.32       98.63
         33 |         22        0.22       98.85
         34 |         15        0.15       99.00
         35 |         21        0.21       99.21
         36 |         17        0.17       99.38
         37 |         14        0.14       99.52
         38 |         10        0.10       99.62
         39 |          4        0.04       99.66
         40 |          7        0.07       99.73
         41 |          6        0.06       99.79
         42 |          4        0.04       99.83
         43 |          1        0.01       99.84
         44 |          1        0.01       99.85
         45 |          3        0.03       99.88
         46 |          1        0.01       99.89
         47 |          2        0.02       99.91
         48 |          1        0.01       99.92
         49 |          1        0.01       99.93
         50 |          2        0.02       99.95
         51 |          1        0.01       99.96
         52 |          1        0.01       99.97
         53 |          1        0.01       99.98
         62 |          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