My son is only 16 and was 16 the entire 2023 tax year. I have a 19 year old college st. and a 14 year old and a 6 year old. Shouldn't I be getting $2000 each under 17?

my taxes only show a $5000 credit .  $2000 each for the 6 and 14 year old and then $500 for the 16 and 19 year old