Net Interest Margin Over Time
Net Interest Margin Unionbank/Northwest All Insured Commercial Banks in Illinois
12-31-2003 4.196 3.819
09-30-2003 4.212 3.828
06-30-2003 4.21 3.842
03-31-2003 4.215 3.863
12-31-2002 3.789 3.995