I have done a little googling. I cannot come up with data on what percentage of ...

I have done a little googling. I cannot come up with data on what percentage of rape kits are anonymous -- on the other hand, Wikipedia says: Conservative estimates indicate there are 200,000–400,000 untested SAKs in U.S. police departments

https://en.m.wikipedia.org/wiki/Rape_kit

Anyway, if someone can come up with data as to what percentage are anonymous, I am curious.