Probably a lot of people that can name them all in less than a minute but I'm not one of those people. So I got 35 in 8 minutes then hit a wall and finished with 35. I forgot some of the easiest ones.
Alaska and Hawaii
"My cat's breath smells like cat food." - R. Wiggum
I've tried it two times and both times I've forgotten Maryland and Kentucky. I also cannot spell the state that Boston is in and it takes me a few tries to get the Hartford state too. I tried Canada but it wasn't accepted.