@TeamYouTube CTR Normal or unusual?pic.twitter.com/2OhEBDIf7X
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
While some of your views come from registered impressions, some views might come from sources that are not counted, such as views from external links. You can learn more about it here: https://goo.gl/PmRjin . Hope this helps clarify.