Frequencies for first 10,000 rows of edwt variable in nhamcsed2008 dataset :

  ed weight |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,900       99.00       99.00
          2 |          4        0.04       99.04
          3 |          7        0.07       99.11
          4 |          6        0.06       99.17
          5 |          8        0.08       99.25
          6 |          6        0.06       99.31
          7 |          7        0.07       99.38
          8 |          5        0.05       99.43
          9 |          5        0.05       99.48
         10 |          4        0.04       99.52
         11 |          5        0.05       99.57
         12 |          6        0.06       99.63
         13 |          1        0.01       99.64
         14 |          3        0.03       99.67
         16 |          2        0.02       99.69
         18 |          1        0.01       99.70
         19 |          3        0.03       99.73
         20 |          4        0.04       99.77
         21 |          4        0.04       99.81
         22 |          3        0.03       99.84
         23 |          1        0.01       99.85
         25 |          1        0.01       99.86
         26 |          1        0.01       99.87
         27 |          1        0.01       99.88
         28 |          1        0.01       99.89
         35 |          1        0.01       99.90
         50 |          1        0.01       99.91
         53 |          5        0.05       99.96
         61 |          1        0.01       99.97
         68 |          1        0.01       99.98
         69 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016