HOW MANY US STATES HAVE YOU BEEN TO?

I am not American but doing pretty good getting to a lot of different states. Inspired by @daydreamer
  1. California
  2. Washington
  3. Idaho
  4. Montana
  5. New York
  6. Maine
  7. Texas
  8. New Jersey
  9. Massachusetts
  10. Louisiana
  11. Florida
  12. Tennessee
  13. Missippissi
  14. South Carolina
  15. Georgia
  16. Nevada
  17. Arizona
  18. New Hampshire
  19. Alaska