the last breakdown of transfer applicants and acceptances I recall are from Fall 2011. And how many of these applicants were transfer option applicants was not stated.
https://dpb.cornell.edu/documents/1000156.pdf
https://dpb.cornell.edu/documents/1000155.pdf
For more recent years all I’ve seen is a headcount of who is showing up there:
http://irp.dpb.cornell.edu/wp-content/uploads/2017/08/Profile2017-Fall-Transfers.pdf