Quarter	US dollars
1999-09-30	2440
1999-12-31	1199
2000-03-31	1370
2000-06-30	1678
2000-09-30	1401
2000-12-31	1100
2001-03-31	1493
2001-06-30	1532
2001-09-30	1689
2001-12-31	1613
2002-03-31	1239
2002-06-30	1199
2002-09-30	1131
2002-12-31	1429
2003-03-31	1366
2003-06-30	1715
2003-09-30	1894
2003-12-31	2039
2004-03-31	1941
2004-06-30	2311
2004-09-30	2126