Quarter	US dollars
1999-09-30	583
1999-12-31	409
2000-03-31	632
2000-06-30	522
2000-09-30	538
2000-12-31	641
2001-03-31	523
2001-06-30	460
2001-09-30	459
2001-12-31	431
2002-03-31	456
2002-06-30	514
2002-09-30	569
2002-12-31	747
2003-03-31	384
2003-06-30	878
2003-09-30	914
2003-12-31	1004
2004-03-31	858
2004-06-30	939
2004-09-30	950