Quarter	US dollars
1999-09-30	1614
1999-12-31	1885
2000-03-31	1863
2000-06-30	3119
2000-09-30	2345
2000-12-31	3444
2001-03-31	3048
2001-06-30	2836
2001-09-30	2490
2001-12-31	3015
2002-03-31	2880
2002-06-30	2862
2002-09-30	3092
2002-12-31	3472
2003-03-31	3746
2003-06-30	3932
2003-09-30	4576
2003-12-31	4815
2004-03-31	5449
2004-06-30	5735
2004-09-30	5517