Frequencies for first 10,000 rows of edwt variable in nhamcsed2011 dataset :

  ED weight |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,907       99.07       99.07
          1 |          3        0.03       99.10
          2 |          5        0.05       99.15
          3 |          7        0.07       99.22
          4 |          4        0.04       99.26
          5 |          3        0.03       99.29
          6 |          7        0.07       99.36
          7 |          6        0.06       99.42
          8 |          4        0.04       99.46
          9 |          7        0.07       99.53
         10 |          7        0.07       99.60
         11 |          4        0.04       99.64
         12 |          5        0.05       99.69
         13 |          3        0.03       99.72
         14 |          3        0.03       99.75
         15 |          1        0.01       99.76
         16 |          2        0.02       99.78
         17 |          1        0.01       99.79
         18 |          1        0.01       99.80
         20 |          2        0.02       99.82
         21 |          3        0.03       99.85
         22 |          3        0.03       99.88
         23 |          2        0.02       99.90
         24 |          3        0.03       99.93
         29 |          1        0.01       99.94
         30 |          1        0.01       99.95
         33 |          1        0.01       99.96
         64 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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