Quarter	US dollars
1999-09-30	5381
1999-12-31	4391
2000-03-31	5263
2000-06-30	6842
2000-09-30	6825
2000-12-31	7462
2001-03-31	8175
2001-06-30	8209
2001-09-30	7510
2001-12-31	8900
2002-03-31	10496
2002-06-30	12409
2002-09-30	12340
2002-12-31	13824
2003-03-31	13292
2003-06-30	13048
2003-09-30	12271
2003-12-31	12888
2004-03-31	14573
2004-06-30	12578
2004-09-30	12856