Quarter	US dollars
1999-09-30	525
1999-12-31	563
2000-03-31	587
2000-06-30	622
2000-09-30	676
2000-12-31	707
2001-03-31	674
2001-06-30	696
2001-09-30	735
2001-12-31	640
2002-03-31	825
2002-06-30	862
2002-09-30	986
2002-12-31	1125
2003-03-31	1212
2003-06-30	1566
2003-09-30	1640
2003-12-31	1814
2004-03-31	1788
2004-06-30	1843
2004-09-30	2126