Frequencies for first 10,000 rows of othpr23d variable in namcs2008 dataset :

procedure 2 |
  - 3 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,920       99.20       99.20
        044 |          1        0.01       99.21
        094 |          1        0.01       99.22
        449 |          1        0.01       99.23
        819 |          2        0.02       99.25
        836 |          1        0.01       99.26
        891 |          1        0.01       99.27
        893 |         11        0.11       99.38
        895 |         20        0.20       99.58
        903 |          1        0.01       99.59
        933 |          1        0.01       99.60
        935 |          3        0.03       99.63
        936 |          1        0.01       99.64
        944 |          1        0.01       99.65
        950 |          2        0.02       99.67
        978 |          1        0.01       99.68
        982 |          1        0.01       99.69
        992 |          9        0.09       99.78
        993 |          2        0.02       99.80
        994 |          2        0.02       99.82
        995 |         10        0.10       99.92
        999 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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