[new] you've given 20 stars to 15 reviews
[new] you've given 20 stars to 15 reviews
I think you mean 15 films, not 15 reviews.
• Giving 20 stars to 15 reviews would mean some reviews received >1 star (which is not possible).
• And if 18 users had written 15 reviews, at least 3 users would have written none … but then they wouldn't even be on the list.