Extract from…http://www.adgooroo.com/resources/blog/adwords-cost-per-click-rises-26-between-2012-and-2014/

“Have you been paying more per search click than you used to? So have a lot of advertisers. According to proprietary AdGooroo data, the Cost-Per-Click (CPC) on U.S. AdWords text ads has increased an average of 26% across 9 major industry categories between the first quarters of 2012 and 2014. The data measures desktop and tablet for 2014 and desktop only for 2013 and 2012. 

Increases in CPC were most dramatic in the Legal and Automotive categories, where advertisers paid an average of 50% and 45% more per AdWords click, respectively, than they did two years ago.

– See more at: http://www.adgooroo.com/resources/blog/adwords-cost-per-click-rises-26-between-2012-and-2014/#sthash.mJRPhcIm.dpuf