Frequencies for first 10,000 rows of popct variable in nhamcsed2007 dataset :

      pulse |
   oximetry |
  (percent) |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |      2,581       25.81       25.81
          0 |          4        0.04       25.85
          1 |          1        0.01       25.86
          2 |          1        0.01       25.87
          4 |          1        0.01       25.88
          6 |          1        0.01       25.89
          8 |          2        0.02       25.91
         10 |          2        0.02       25.93
         16 |          2        0.02       25.95
         18 |          1        0.01       25.96
         20 |          2        0.02       25.98
         32 |          1        0.01       25.99
         51 |          1        0.01       26.00
         52 |          2        0.02       26.02
         58 |          3        0.03       26.05
         60 |          2        0.02       26.07
         61 |          1        0.01       26.08
         62 |          1        0.01       26.09
         63 |          2        0.02       26.11
         65 |          1        0.01       26.12
         67 |          3        0.03       26.15
         68 |          3        0.03       26.18
         69 |          3        0.03       26.21
         70 |          6        0.06       26.27
         71 |          1        0.01       26.28
         72 |          2        0.02       26.30
         73 |          2        0.02       26.32
         74 |          4        0.04       26.36
         75 |          5        0.05       26.41
         76 |          4        0.04       26.45
         77 |          5        0.05       26.50
         78 |          4        0.04       26.54
         79 |          3        0.03       26.57
         80 |          9        0.09       26.66
         81 |          5        0.05       26.71
         82 |          6        0.06       26.77
         83 |          4        0.04       26.81
         84 |          6        0.06       26.87
         85 |          9        0.09       26.96
         86 |         17        0.17       27.13
         87 |         10        0.10       27.23
         88 |         16        0.16       27.39
         89 |         12        0.12       27.51
         90 |         43        0.43       27.94
         91 |         38        0.38       28.32
         92 |         57        0.57       28.89
         93 |        104        1.04       29.93
         94 |        190        1.90       31.83
         95 |        391        3.91       35.74
         96 |        682        6.82       42.56
         97 |      1,056       10.56       53.12
         98 |      1,592       15.92       69.04
         99 |      1,462       14.62       83.66
        100 |      1,634       16.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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