Quarter	US dollars
1999-09-30	1602
1999-12-31	1672
2000-03-31	1563
2000-06-30	1967
2000-09-30	1517
2000-12-31	1640
2001-03-31	2512
2001-06-30	1879
2001-09-30	1614
2001-12-31	1843
2002-03-31	2308
2002-06-30	2075
2002-09-30	2500
2002-12-31	2422
2003-03-31	3472
2003-06-30	2314
2003-09-30	2417
2003-12-31	2813
2004-03-31	3086
2004-06-30	2800
2004-09-30	3266