Quarter	US dollars
1999-09-30	2625
1999-12-31	2681
2000-03-31	3466
2000-06-30	3348
2000-09-30	3322
2000-12-31	3334
2001-03-31	3101
2001-06-30	3443
2001-09-30	3166
2001-12-31	3400
2002-03-31	3509
2002-06-30	3785
2002-09-30	3966
2002-12-31	4178
2003-03-31	4729
2003-06-30	6601
2003-09-30	5645
2003-12-31	5927
2004-03-31	6335
2004-06-30	7001
2004-09-30	7395