Quarter	US dollars
1999-09-30	548
1999-12-31	535
2000-03-31	463
2000-06-30	453
2000-09-30	472
2000-12-31	613
2001-03-31	702
2001-06-30	696
2001-09-30	695
2001-12-31	713
2002-03-31	721
2002-06-30	618
2002-09-30	620
2002-12-31	589
2003-03-31	583
2003-06-30	616
2003-09-30	741
2003-12-31	779
2004-03-31	816
2004-06-30	918
2004-09-30	1136