Frequencies for first 10,000 rows of diagsc23 variable in namcs2000 dataset :

      other |
diag/screen |
 service #2 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,953       99.53       99.53
        314 |          1        0.01       99.54
        451 |          2        0.02       99.56
        452 |          4        0.04       99.60
        753 |          1        0.01       99.61
        851 |          3        0.03       99.64
        861 |          1        0.01       99.65
        876 |          1        0.01       99.66
        890 |          2        0.02       99.68
        891 |          2        0.02       99.70
        893 |         10        0.10       99.80
        894 |          1        0.01       99.81
        895 |          1        0.01       99.82
        903 |          1        0.01       99.83
        909 |          6        0.06       99.89
        920 |          1        0.01       99.90
        930 |          2        0.02       99.92
        935 |          1        0.01       99.93
        939 |          1        0.01       99.94
        940 |          2        0.02       99.96
        950 |          2        0.02       99.98
        963 |          1        0.01       99.99
        991 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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