Louisiana (967 of 2619 sites)
Kentucky (1069 of 2991 sites)
Maryland (1357 of 3787 sites)
Massachusetts (1628 of 4597 sites)
Michigan (1875 of 5030 sites)
Mississippi (1877 of 4927 sites)
Minnesota (2071 of 5391 sites)
Montana (2605 of 6895 sites)
Missouri (2635 of 6963 sites)
Nebraska (3343 of 7921 sites)