What's wrong with this picture?
29 does NOT equal 46 !
For the same e-mail send, for the same time period, the Email Performance report shows 29 unique leads that clicked a link.
Per the documentation:
Number of email recipients who clicked a link in the email.
For the same send, time period, etc. The Email Link Performance report shows 46 leads that clicked a link.
|Leads||The number of unique leads who clicked the link.|
Marketo support has yet to prove itself to be any help in reconciling these two figures, and explaining how they can be different...