Frequencies for first 10,000 rows of diagsc23 variable in nhamcsed1994 dataset :

      other |
diag/screen |
 service #2 |
  - 3 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,364       93.64       93.64
        521 |          1        0.01       93.65
        681 |          1        0.01       93.66
        753 |          3        0.03       93.69
        890 |          1        0.01       93.70
        891 |          1        0.01       93.71
        892 |          5        0.05       93.76
        893 |         86        0.86       94.62
        895 |         26        0.26       94.88
        896 |         95        0.95       95.83
        900 |          4        0.04       95.87
        902 |          2        0.02       95.89
        903 |         40        0.40       96.29
        904 |          6        0.06       96.35
        905 |        145        1.45       97.80
        909 |         25        0.25       98.05
        912 |         15        0.15       98.20
        913 |          7        0.07       98.27
        914 |         54        0.54       98.81
        919 |         50        0.50       99.31
        939 |         12        0.12       99.43
        963 |          1        0.01       99.44
        999 |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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