Doctors Top paying keywords for AdSense

doctors answering service	21.58 US$
mortgages for doctors	12.58 US$
doctor loans	12.20 US$
loans for doctors	10.90 US$
doctor office software	8.26 US$

Private schools top paying keywords

private education loans 31.81 US$
private school loan       21.16 US$
private school loans     20.98 US$
private student loans    13.46 US$
private loans for school 13.40 US$