Quarter	US dollars
1999-09-30	7548
1999-12-31	8109
2000-03-31	8863
2000-06-30	8544
2000-09-30	8684
2000-12-31	10674
2001-03-31	9717
2001-06-30	10775
2001-09-30	9471
2001-12-31	8878
2002-03-31	6568
2002-06-30	6469
2002-09-30	6169
2002-12-31	6459
2003-03-31	5824
2003-06-30	5505
2003-09-30	6318
2003-12-31	5432
2004-03-31	5067
2004-06-30	5267
2004-09-30	4675