Tier 1 Capital Over Time
Tier 1 Capital Security State Bank All Insured Commercial Banks in Iowa
03-31-2006 4,901,000 9,332,270
12-31-2005 4,758,000 9,161,082
09-30-2005 6,662,000 9,133,774
06-30-2005 6,450,000 8,925,618
03-31-2005 6,273,000 8,760,854
12-31-2004 6,103,000 8,669,353
09-30-2004 5,898,000 8,569,955
06-30-2004 5,674,000 8,386,894
03-31-2004 5,439,000 8,145,576
12-31-2003 4,860,000 8,004,992
09-30-2003 7,191,000 7,869,463
06-30-2003 7,000,000 7,687,475
03-31-2003 6,763,000 7,560,674
12-31-2002 6,499,000 7,402,908