Quarter	US dollars
1999-09-30	2108
1999-12-31	2397
2000-03-31	2257
2000-06-30	2342
2000-09-30	2770
2000-12-31	2968
2001-03-31	2170
2001-06-30	2370
2001-09-30	2766
2001-12-31	2914
2002-03-31	2992
2002-06-30	3171
2002-09-30	3747
2002-12-31	4116
2003-03-31	5200
2003-06-30	5645
2003-09-30	7171
2003-12-31	7722
2004-03-31	8269
2004-06-30	8706
2004-09-30	8104