9 Incredible Campaign Money Stats

| Tue Nov. 6, 2012 6:08 AM EST

We're about to wrap up the most expensive election in US history—and also the first presidential election awash in unrestricted super-PAC cash and dark-money. Some stats (read on, Bieber fans):

1. Estimated amount of disclosed spending in the 2012 election: $6 billion

2. Amount of dark money (money with no donor disclosure) spent in the 2008 election: $70 million

Minimum amount of dark money known to have been spent on the 2012 election: $213 million

3. Amount super-PACs, dark money groups, and other outside groups spent in October: $526 million

4. Percentage of all super-PAC money from just 163 people who gave $500,000 or more: 70 percent

5. Percentage of outside spending coming from disclosed donors in 2004: 96.5 percent

Percentage in 2012: 40.5 percent

6. Amount the Koch brothers are known to have donated to candidates and parties in 2012: $411,000

Amount of dark money they have pledged to spent to defeat Barack Obama: $60 milion

7. Percentage of dark money spent on federal elections that went to electing Republicans and defeating Democrats: 80 percent

8. Percentage of the 1 million-plus ads run by the Obama and Romney campaigns and their allies between April and October that were negative: 87 percent

9. Number of news segments about outside spending groups on Milwaukee stations in the two weeks before Wisconsin's June recall election: 0

Number of news segments about Justin Bieber during that time: 53