Ambulance chasers pay big bucks for Adsense

According to various sources, it seem 10 out of the top 11 highest paid google adwords are lawyers trying to get clients.

The top 11 are:
mesothelioma $84.08
mesothelioma attorneys $80.93
mesothelioma lawyers $69.04
malignant pleural mesothelioma $55.95
Asbestos Cancer $54.17
mesothelioma symptoms $53.66
peritoneal mesothelioma $52.27
trans union $51.91
lung cancer $43.12
search engine optimization $30.19
mesothelioma diagnosis $28.70

Seraching for these terms in google of course comes up with all the lawyer sites on the right hand side - they must make a fortune to pay so much for advertising.