Frequencies for first 10,000 rows of diagsc13 variable in nhamcsed1996 dataset :

      other |
diag/screen |
 service #1 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,441       94.41       94.41
        451 |          1        0.01       94.42
        452 |          1        0.01       94.43
        492 |          1        0.01       94.44
        887 |          1        0.01       94.45
        890 |          2        0.02       94.47
        891 |         12        0.12       94.59
        893 |        163        1.63       96.22
        894 |          2        0.02       96.24
        895 |          9        0.09       96.33
        896 |         50        0.50       96.83
        900 |          1        0.01       96.84
        902 |          4        0.04       96.88
        903 |        110        1.10       97.98
        904 |          7        0.07       98.05
        909 |         34        0.34       98.39
        912 |          1        0.01       98.40
        913 |         11        0.11       98.51
        914 |         40        0.40       98.91
        915 |          3        0.03       98.94
        916 |          4        0.04       98.98
        917 |          1        0.01       98.99
        918 |          3        0.03       99.02
        919 |         41        0.41       99.43
        930 |          2        0.02       99.45
        941 |         22        0.22       99.67
        965 |          1        0.01       99.68
        967 |          1        0.01       99.69
        999 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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