Frequencies for first 10,000 rows of uab_other variable in natlterr2005 dataset :

      Other |
   Abnormal |
 Conditions |
          U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         10        0.10        0.10
          2 |      4,488       44.88       44.98
          9 |      1,757       17.57       62.55
          . |      3,745       37.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015