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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,332       73.32       73.32
          1 |         43        0.43       73.75
          2 |         60        0.60       74.35
          3 |         62        0.62       74.97
          4 |         55        0.55       75.52
          5 |         56        0.56       76.08
          6 |         66        0.66       76.74
          7 |         79        0.79       77.53
          8 |         88        0.88       78.41
          9 |         86        0.86       79.27
         10 |         93        0.93       80.20
         11 |         98        0.98       81.18
         12 |        138        1.38       82.56
         13 |        131        1.31       83.87
         14 |        115        1.15       85.02
         15 |        117        1.17       86.19
         16 |        114        1.14       87.33
         17 |        118        1.18       88.51
         18 |        115        1.15       89.66
         19 |        127        1.27       90.93
         20 |        114        1.14       92.07
         21 |        120        1.20       93.27
         22 |         97        0.97       94.24
         23 |         74        0.74       94.98
         24 |         72        0.72       95.70
         25 |         56        0.56       96.26
         26 |         51        0.51       96.77
         27 |         58        0.58       97.35
         28 |         39        0.39       97.74
         29 |         31        0.31       98.05
         30 |         30        0.30       98.35
         31 |         21        0.21       98.56
         32 |         20        0.20       98.76
         33 |         21        0.21       98.97
         34 |         22        0.22       99.19
         35 |         19        0.19       99.38
         36 |         13        0.13       99.51
         37 |          5        0.05       99.56
         38 |          4        0.04       99.60
         39 |          6        0.06       99.66
         40 |          8        0.08       99.74
         41 |          3        0.03       99.77
         42 |          5        0.05       99.82
         43 |          3        0.03       99.85
         44 |          2        0.02       99.87
         45 |          5        0.05       99.92
         46 |          1        0.01       99.93
         47 |          2        0.02       99.95
         48 |          1        0.01       99.96
         51 |          1        0.01       99.97
         52 |          2        0.02       99.99
         60 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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