Frequencies for first 10,000 rows of p10 variable in miper dataset :

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,355       63.55       63.55
          1 |         41        0.41       63.96
          2 |         75        0.75       64.71
          3 |         94        0.94       65.65
          4 |         92        0.92       66.57
          5 |         93        0.93       67.50
          6 |        117        1.17       68.67
          7 |         97        0.97       69.64
          8 |        119        1.19       70.83
          9 |        129        1.29       72.12
         10 |        154        1.54       73.66
         11 |        163        1.63       75.29
         12 |        151        1.51       76.80
         13 |        188        1.88       78.68
         14 |        172        1.72       80.40
         15 |        174        1.74       82.14
         16 |        173        1.73       83.87
         17 |        162        1.62       85.49
         18 |        175        1.75       87.24
         19 |        168        1.68       88.92
         20 |        134        1.34       90.26
         21 |        119        1.19       91.45
         22 |        113        1.13       92.58
         23 |        120        1.20       93.78
         24 |         97        0.97       94.75
         25 |         83        0.83       95.58
         26 |         68        0.68       96.26
         27 |         65        0.65       96.91
         28 |         57        0.57       97.48
         29 |         44        0.44       97.92
         30 |         43        0.43       98.35
         31 |         24        0.24       98.59
         32 |         21        0.21       98.80
         33 |         27        0.27       99.07
         34 |         15        0.15       99.22
         35 |         12        0.12       99.34
         36 |          9        0.09       99.43
         37 |          8        0.08       99.51
         38 |          9        0.09       99.60
         39 |          7        0.07       99.67
         40 |          6        0.06       99.73
         41 |          5        0.05       99.78
         42 |          3        0.03       99.81
         43 |          3        0.03       99.84
         44 |          2        0.02       99.86
         45 |          2        0.02       99.88
         46 |          2        0.02       99.90
         49 |          3        0.03       99.93
         51 |          1        0.01       99.94
         54 |          1        0.01       99.95
         56 |          1        0.01       99.96
         57 |          1        0.01       99.97
         60 |          1        0.01       99.98
         61 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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