Frequencies for first 10,000 rows of popct variable in nhamcsed2013 dataset :

    Initial |
      vital |
     signs: |
      Pulse |
   oximetry |
  (percent) |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        777        7.77        7.77
          0 |          9        0.09        7.86
          1 |          2        0.02        7.88
          2 |          1        0.01        7.89
          7 |          1        0.01        7.90
          9 |          2        0.02        7.92
         10 |          1        0.01        7.93
         11 |          2        0.02        7.95
         14 |          1        0.01        7.96
         16 |          3        0.03        7.99
         18 |          4        0.04        8.03
         21 |          1        0.01        8.04
         22 |          1        0.01        8.05
         50 |          1        0.01        8.06
         52 |          1        0.01        8.07
         55 |          1        0.01        8.08
         56 |          2        0.02        8.10
         57 |          1        0.01        8.11
         58 |          1        0.01        8.12
         59 |          2        0.02        8.14
         60 |          4        0.04        8.18
         61 |          5        0.05        8.23
         62 |          2        0.02        8.25
         64 |          3        0.03        8.28
         65 |          2        0.02        8.30
         66 |          2        0.02        8.32
         67 |          3        0.03        8.35
         68 |          5        0.05        8.40
         69 |          4        0.04        8.44
         70 |          4        0.04        8.48
         71 |          1        0.01        8.49
         72 |          2        0.02        8.51
         73 |          1        0.01        8.52
         74 |          8        0.08        8.60
         75 |          8        0.08        8.68
         76 |          3        0.03        8.71
         77 |          4        0.04        8.75
         78 |         12        0.12        8.87
         79 |          4        0.04        8.91
         80 |         15        0.15        9.06
         81 |         11        0.11        9.17
         82 |         10        0.10        9.27
         83 |         12        0.12        9.39
         84 |          5        0.05        9.44
         85 |         10        0.10        9.54
         86 |         11        0.11        9.65
         87 |          9        0.09        9.74
         88 |         23        0.23        9.97
         89 |         13        0.13       10.10
         90 |         32        0.32       10.42
         91 |         26        0.26       10.68
         92 |         66        0.66       11.34
         93 |         88        0.88       12.22
         94 |        167        1.67       13.89
         95 |        391        3.91       17.80
         96 |        721        7.21       25.01
         97 |      1,151       11.51       36.52
         98 |      1,889       18.89       55.41
         99 |      1,888       18.88       74.29
        100 |      2,571       25.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016