Frequencies for first 10,000 rows of itran variable in natl2013 dataset :

     Infant |
Transferred |
RFP 571=? R |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,791       97.91       97.91
          U |         45        0.45       98.36
          Y |        164        1.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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