Frequencies for first 10,000 rows of itran variable in natlterr2015 dataset :

     Infant |
Transferred |
      Y Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,078       10.78       10.78
          N |      8,702       87.02       97.80
          U |        124        1.24       99.04
          Y |         96        0.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Oct 2016