Frequencies for first 10,000 rows of p3 variable in miper dataset :

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,352       63.52       63.52
          1 |         44        0.44       63.96
          2 |         72        0.72       64.68
          3 |         88        0.88       65.56
          4 |        104        1.04       66.60
          5 |         98        0.98       67.58
          6 |         99        0.99       68.57
          7 |        108        1.08       69.65
          8 |        123        1.23       70.88
          9 |        144        1.44       72.32
         10 |        148        1.48       73.80
         11 |        156        1.56       75.36
         12 |        143        1.43       76.79
         13 |        187        1.87       78.66
         14 |        171        1.71       80.37
         15 |        176        1.76       82.13
         16 |        169        1.69       83.82
         17 |        155        1.55       85.37
         18 |        168        1.68       87.05
         19 |        143        1.43       88.48
         20 |        137        1.37       89.85
         21 |        121        1.21       91.06
         22 |        124        1.24       92.30
         23 |        120        1.20       93.50
         24 |         99        0.99       94.49
         25 |         87        0.87       95.36
         26 |         76        0.76       96.12
         27 |         73        0.73       96.85
         28 |         61        0.61       97.46
         29 |         47        0.47       97.93
         30 |         51        0.51       98.44
         31 |         28        0.28       98.72
         32 |         20        0.20       98.92
         33 |         22        0.22       99.14
         34 |         13        0.13       99.27
         35 |         14        0.14       99.41
         36 |          9        0.09       99.50
         37 |          8        0.08       99.58
         38 |          9        0.09       99.67
         39 |         11        0.11       99.78
         40 |          3        0.03       99.81
         41 |          4        0.04       99.85
         42 |          2        0.02       99.87
         43 |          4        0.04       99.91
         44 |          2        0.02       99.93
         47 |          2        0.02       99.95
         48 |          1        0.01       99.96
         49 |          2        0.02       99.98
         57 |          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