Quarter	US dollars
1999-09-30	7341
1999-12-31	7271
2000-03-31	8043
2000-06-30	7455
2000-09-30	6924
2000-12-31	7203
2001-03-31	6565
2001-06-30	7006
2001-09-30	7701
2001-12-31	8290
2002-03-31	8171
2002-06-30	11181
2002-09-30	11263
2002-12-31	12822
2003-03-31	13594
2003-06-30	15299
2003-09-30	16526
2003-12-31	19724
2004-03-31	19609
2004-06-30	19653
2004-09-30	19078