We're not seeing many public videos on your channel, so you're likely not eligible for a review at this time. The number you see in Creator Studio is not correct–it shows public & private combined. You can try switching private videos to public: https://yt.be/help/YPP-review
Dear Team YouTube The number of videos in my Creator Studio is only 19 even if you can see it. No video is private, everyone is public.pic.twitter.com/p5JWH3uJJ4