Frequencies for first 10,000 rows of educ1989 variable in mort2006 dataset :

  Education |
      (1989 |
  revision) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        146        1.46        1.46
          1 |         14        0.14        1.60
          2 |         36        0.36        1.96
          3 |        151        1.51        3.47
          4 |        118        1.18        4.65
          5 |        165        1.65        6.30
          6 |        547        5.47       11.77
          7 |        297        2.97       14.74
          8 |        665        6.65       21.39
          9 |        565        5.65       27.04
         10 |        677        6.77       33.81
         11 |        563        5.63       39.44
         12 |      3,550       35.50       74.94
         13 |        308        3.08       78.02
         14 |        803        8.03       86.05
         15 |        137        1.37       87.42
         16 |        651        6.51       93.93
         17 |        384        3.84       97.77
         99 |        223        2.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015