Quarter	US dollars
1999-09-30	6096
1999-12-31	6173
2000-03-31	6528
2000-06-30	6774
2000-09-30	7794
2000-12-31	7342
2001-03-31	8018
2001-06-30	7252
2001-09-30	8398
2001-12-31	7879
2002-03-31	7823
2002-06-30	8486
2002-09-30	8946
2002-12-31	11439
2003-03-31	12093
2003-06-30	13678
2003-09-30	13605
2003-12-31	15375
2004-03-31	17015
2004-06-30	17198
2004-09-30	17993