Frequencies for first 10,000 rows of gastro variable in natl1998 dataset :

      Other |
gastrointes |
      tinal |
  anomalies |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.07        0.07
          2 |      9,977       99.77       99.84
          9 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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