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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,387       73.87       73.87
          1 |         32        0.32       74.19
          2 |         58        0.58       74.77
          3 |         46        0.46       75.23
          4 |         54        0.54       75.77
          5 |         53        0.53       76.30
          6 |         76        0.76       77.06
          7 |         76        0.76       77.82
          8 |         97        0.97       78.79
          9 |         84        0.84       79.63
         10 |         74        0.74       80.37
         11 |        100        1.00       81.37
         12 |        105        1.05       82.42
         13 |        109        1.09       83.51
         14 |        124        1.24       84.75
         15 |        115        1.15       85.90
         16 |        108        1.08       86.98
         17 |        103        1.03       88.01
         18 |        115        1.15       89.16
         19 |        110        1.10       90.26
         20 |         96        0.96       91.22
         21 |        115        1.15       92.37
         22 |         85        0.85       93.22
         23 |         80        0.80       94.02
         24 |         92        0.92       94.94
         25 |         60        0.60       95.54
         26 |         74        0.74       96.28
         27 |         63        0.63       96.91
         28 |         52        0.52       97.43
         29 |         39        0.39       97.82
         30 |         30        0.30       98.12
         31 |         36        0.36       98.48
         32 |         15        0.15       98.63
         33 |         25        0.25       98.88
         34 |         25        0.25       99.13
         35 |         16        0.16       99.29
         36 |         11        0.11       99.40
         37 |         13        0.13       99.53
         38 |         13        0.13       99.66
         39 |          7        0.07       99.73
         40 |          8        0.08       99.81
         41 |          5        0.05       99.86
         42 |          1        0.01       99.87
         43 |          3        0.03       99.90
         44 |          2        0.02       99.92
         45 |          2        0.02       99.94
         46 |          3        0.03       99.97
         51 |          1        0.01       99.98
         53 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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