Quarter	US dollars
1999-09-30	8246
1999-12-31	9413
2000-03-31	9498
2000-06-30	9110
2000-09-30	9752
2000-12-31	10088
2001-03-31	10573
2001-06-30	10637
2001-09-30	10845
2001-12-31	10557
2002-03-31	11339
2002-06-30	11721
2002-09-30	11865
2002-12-31	12495
2003-03-31	11155
2003-06-30	11804
2003-09-30	12456
2003-12-31	13488
2004-03-31	13466
2004-06-30	14885
2004-09-30	15362
