I didn’t. I specifically put stalking and harassment in a separate group because I believe their inclusion with the other serious crimes makes the stats look so dismal. I did try to find the breakdown of which types of crimes remained unsolved and couldn’t find anything.

From your link harassment can be the following phone calls letters emails visits

All of those seem highly subjective and are specifically relevant to my comment because they can be numerous and are very hard to track down thus leading to low solve rates.