Quarter	US dollars
1999-09-30	2681
1999-12-31	6084
2000-03-31	6590
2000-06-30	6020
2000-09-30	6593
2000-12-31	6714
2001-03-31	6447
2001-06-30	7115
2001-09-30	6604
2001-12-31	6162
2002-03-31	5118
2002-06-30	2824
2002-09-30	2975
2002-12-31	2662
2003-03-31	2932
2003-06-30	2548
2003-09-30	2165
2003-12-31	2070
2004-03-31	2163
2004-06-30	2842
2004-09-30	2620