Efficiency Ratio Over Time
Efficiency Ratio Bank One, National Association All Insured Commercial Banks in Ohio
09-30-2004 58.632 64.558
06-30-2004 49.894 64.778
03-31-2004 46.211 65.45
12-31-2003 52.884 64.066
09-30-2003 54.086 63.194
06-30-2003 55.613 63.247
03-31-2003 56.88 64.269
12-31-2002 59.036 63.1