Quarter	US dollars
1999-09-30	1716
1999-12-31	1454
2000-03-31	1507
2000-06-30	1510
2000-09-30	1517
2000-12-31	1520
2001-03-31	1582
2001-06-30	1490
2001-09-30	1657
2001-12-31	1539
2002-03-31	1739
2002-06-30	1382
2002-09-30	1788
2002-12-31	1513
2003-03-31	1560
2003-06-30	1612
2003-09-30	1603
2003-12-31	1662
2004-03-31	1731
2004-06-30	1799
2004-09-30	2088