If you read the book like I did you already know this. No disrespect to the people who only watched the movies, but in my opinion, your not a true fan unless you read the books. Because they did leave out some.
I think it's because they were her very first victors that she was in charge of, plus she got two out in the one year! Never done before, then the year after they return to the stage with her to face the games again.