Frequencies for first 10,000 rows of diagsc23 variable in namcs1998 dataset :

      other |
diag/screen |
 service #2 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,930       99.30       99.30
        181 |          6        0.06       99.36
        422 |          1        0.01       99.37
        451 |          4        0.04       99.41
        452 |          3        0.03       99.44
        573 |          1        0.01       99.45
        681 |          1        0.01       99.46
        682 |          1        0.01       99.47
        889 |          2        0.02       99.49
        891 |         13        0.13       99.62
        892 |          1        0.01       99.63
        893 |          9        0.09       99.72
        894 |          2        0.02       99.74
        896 |          3        0.03       99.77
        897 |          2        0.02       99.79
        903 |          1        0.01       99.80
        909 |          5        0.05       99.85
        914 |          4        0.04       99.89
        916 |          1        0.01       99.90
        919 |          2        0.02       99.92
        930 |          1        0.01       99.93
        935 |          1        0.01       99.94
        944 |          1        0.01       99.95
        950 |          3        0.03       99.98
        999 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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