Zinovii Dmytriv

👍

It looks like regression. There is no settings ([settings.go](https://github.com/envoyproxy/ratelimit/blob/main/src/settings/settings.go)) like `ENABLE_PER_KEY_STATS` but it would be great to have one.

issue has been introduced here in https://github.com/envoyproxy/ratelimit/pull/158 [GetLimits](https://github.com/envoyproxy/ratelimit/commit/d7d563ac55949d66a25e7cd8c6676511d8c25bb3#diff-ed3f958d8794e4db695a58fd24d4e0410ffa4e7112c2d96dd4f3b7301e7aa8fcR269-R279) --> [NewRateLimit](https://github.com/envoyproxy/ratelimit/commit/d7d563ac55949d66a25e7cd8c6676511d8c25bb3#diff-ed3f958d8794e4db695a58fd24d4e0410ffa4e7112c2d96dd4f3b7301e7aa8fcR75-R79) --> [newRateLimitStats](https://github.com/envoyproxy/ratelimit/commit/d7d563ac55949d66a25e7cd8c6676511d8c25bb3#diff-ed3f958d8794e4db695a58fd24d4e0410ffa4e7112c2d96dd4f3b7301e7aa8fcR60-R67)

> are you interested in fixing? I'm new to GO so probably not the best candidate

@Nuru please re-review