With just three weeks to go until Election Day, a new NBC News report finds that political ad spending has reached $807 million so far across radio and television, including local, national cable and broadcast networks. According to NBC, that number is projected to reach $1 billion this year.

The most money has been spent in the battleground states of Florida, Ohio and Virginia. The report breaks down the top ten markets in the country for this week based on the number of ads run. Green Bay tops the list, with Denver in second and Cincinnati and Columbus in third and fourth, respectively.

See the full list after the jump.

1. Green Bay
2. Denver
3. Cincinnati
4. Columbus
5. Madison
6. Toledo
7. Cleveland
8. Orlando-Daytona Beach
9. Las Vegas
10. Reno

[NBC News]