Quarter	US dollars
1999-09-30	795
1999-12-31	721
2000-03-31	788
2000-06-30	793
2000-09-30	781
2000-12-31	1088
2001-03-31	980
2001-06-30	878
2001-09-30	751
2001-12-31	623
2002-03-31	548
2002-06-30	595
2002-09-30	481
2002-12-31	464
2003-03-31	515
2003-06-30	480
2003-09-30	573
2003-12-31	727
2004-03-31	890
2004-06-30	1128
2004-09-30	1480