How much veggies does your toddler eat?

My son is almost 3 and he usually eats at least a small portion of a dark green veggie (usually broccoli or spinach) as well as some cauliflower or carrots at least once a day. He also snacks on some kind of veggie and/or fruits throughout the day. But should I be trying to get him to eat more veggies? How much vegetables does your young one eat?