Quarter	US dollars
1999-09-30	861
1999-12-31	732
2000-03-31	801
2000-06-30	531
2000-09-30	599
2000-12-31	598
2001-03-31	553
2001-06-30	675
2001-09-30	547
2001-12-31	831
2002-03-31	534
2002-06-30	1036
2002-09-30	1354
2002-12-31	1476
2003-03-31	1611
2003-06-30	1779
2003-09-30	1829
2003-12-31	2414
2004-03-31	2492
2004-06-30	2615
2004-09-30	2430