Quarter	US dollars
1999-09-30	5628
1999-12-31	6473
2000-03-31	6819
2000-06-30	7148
2000-09-30	6612
2000-12-31	7992
2001-03-31	7667
2001-06-30	8426
2001-09-30	9494
2001-12-31	8822
2002-03-31	7657
2002-06-30	6723
2002-09-30	5611
2002-12-31	4642
2003-03-31	3880
2003-06-30	2871
2003-09-30	2936
2003-12-31	3012
2004-03-31	3012
2004-06-30	2842
2004-09-30	2971