Quarter	US dollars
1999-09-30	3567
1999-12-31	4143
2000-03-31	4203
2000-06-30	3219
2000-09-30	3943
2000-12-31	4125
2001-03-31	4633
2001-06-30	3065
2001-09-30	2822
2001-12-31	3444
2002-03-31	3137
2002-06-30	4319
2002-09-30	3947
2002-12-31	3856
2003-03-31	3714
2003-06-30	5086
2003-09-30	3379
2003-12-31	4432
2004-03-31	5300
2004-06-30	3809
2004-09-30	3197