Frequencies for first 10,000 rows of scopwi1r variable in namcs2004 dataset :

      scope |
  procedure |
write-in #1 |
   - recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,668       96.68       96.68
       1229 |          4        0.04       96.72
       1621 |         22        0.22       96.94
       1811 |          2        0.02       96.96
       2121 |         12        0.12       97.08
       2219 |         24        0.24       97.32
       2911 |          1        0.01       97.33
       3142 |         24        0.24       97.57
       3323 |          1        0.01       97.58
       3422 |          1        0.01       97.59
       4223 |          2        0.02       97.61
       4513 |         18        0.18       97.79
       4516 |          3        0.03       97.82
       4523 |         77        0.77       98.59
       4524 |          6        0.06       98.65
       4542 |          1        0.01       98.66
       4823 |          1        0.01       98.67
       4921 |          1        0.01       98.68
       5110 |          2        0.02       98.70
       5421 |          5        0.05       98.75
       5631 |          1        0.01       98.76
       5732 |         95        0.95       99.71
       5733 |          1        0.01       99.72
       6812 |          3        0.03       99.75
       7021 |         12        0.12       99.87
       8021 |          1        0.01       99.88
       8025 |          1        0.01       99.89
       8026 |          5        0.05       99.94
       9999 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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