For the data nerds out there, we've put together spreadsheets of the campaign finance analysis of the freshmen class used for this story. It includes data reported to the Federal Election Commission as of the second quarter of 2012.

If you're interested in digging in a little deeper into specific races and have any questions about our data feel free to contact our communications team.

Table: Total campaign contributions, money from businesses that lobby and leadership PACs in 2010 and 2012.