Frequencies for first 10,000 rows of uca_other variable in natl2003 dataset :

      Other |
 Congenital |
Anomalies U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         47        0.47        0.47
          2 |      8,998       89.98       90.45
          8 |          7        0.07       90.52
          9 |        948        9.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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