U.S. Treasury and Agency Securities Over Time
U.S. Treasury and Agency Securities Northern Trust Bank, National Association All Insured Commercial Banks in Arizona
09-30-2006 29,874,000 28,408,054
06-30-2006 29,632,000 35,838,472
03-31-2006 24,746,000 34,770,395
12-31-2005 19,931,000 33,787,649
09-30-2005 24,835,000 33,215,000
06-30-2005 39,837,000 32,193,947
03-31-2005 39,884,000 32,680,789
12-31-2004 40,162,000 35,273,056
09-30-2004 50,574,000 44,966,278
06-30-2004 50,755,000 42,500,568
03-31-2004 50,724,000 35,570,861
12-31-2003 50,990,000 97,954,784
09-30-2003 50,889,000 71,515,257
06-30-2003 51,068,000 83,703,333
03-31-2003 51,395,000 81,555,313
12-31-2002 51,650,000 82,796,063