Ya, I know. It's totally fucked now, and it's depressing for us while deadly for Ukraine. Ugh.

Here's a few articles with data:

https://www.opendemocracy.net/en/odr/crimean-conundrum/

http://www.parisglobalist.org/post-referendum-crimea-and-its-russian-future-voices-from-the-inside/

https://www.forbes.com/sites/kenrapoza/2015/03/20/one-year-after-russia-annexed-crimea-locals-prefer-moscow-to-kiev/?sh=7295c849510d