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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,981       69.81       69.81
          1 |         40        0.40       70.21
          2 |         72        0.72       70.93
          3 |         73        0.73       71.66
          4 |         62        0.62       72.28
          5 |         66        0.66       72.94
          6 |         77        0.77       73.71
          7 |         91        0.91       74.62
          8 |        105        1.05       75.67
          9 |        109        1.09       76.76
         10 |        138        1.38       78.14
         11 |        100        1.00       79.14
         12 |        140        1.40       80.54
         13 |        131        1.31       81.85
         14 |        140        1.40       83.25
         15 |        164        1.64       84.89
         16 |        135        1.35       86.24
         17 |        119        1.19       87.43
         18 |        127        1.27       88.70
         19 |        117        1.17       89.87
         20 |        124        1.24       91.11
         21 |        124        1.24       92.35
         22 |        107        1.07       93.42
         23 |         88        0.88       94.30
         24 |         86        0.86       95.16
         25 |         85        0.85       96.01
         26 |         58        0.58       96.59
         27 |         68        0.68       97.27
         28 |         49        0.49       97.76
         29 |         43        0.43       98.19
         30 |         28        0.28       98.47
         31 |         29        0.29       98.76
         32 |         26        0.26       99.02
         33 |         13        0.13       99.15
         34 |         19        0.19       99.34
         35 |         17        0.17       99.51
         36 |         15        0.15       99.66
         37 |          7        0.07       99.73
         38 |          7        0.07       99.80
         39 |          3        0.03       99.83
         40 |          3        0.03       99.86
         41 |          1        0.01       99.87
         42 |          1        0.01       99.88
         43 |          2        0.02       99.90
         44 |          1        0.01       99.91
         46 |          1        0.01       99.92
         47 |          3        0.03       99.95
         48 |          2        0.02       99.97
         49 |          1        0.01       99.98
         52 |          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