These numbers are a little old but it is a remarkable piece of information. The Top CPC is $47.07 for Attorney, $42 for Lawyer and $45 for Claim.
Four of the top five are consumer facing financial services (insurance, loans, mortgage & credit).
Rehab Centres makes an entrance at No. 18. #randomfact
4. Attorney (example keywords include “personal injury attorney” and “dui defense attorney”) 5. Lawyer ("personal injury lawyer," "criminal defense lawyer) 10. Claim ("personal injury claim," "accident claims no win no fee")