Quarter	US dollars
1999-09-30	1657
1999-12-31	1478
2000-03-31	2179
2000-06-30	2083
2000-09-30	4286
2000-12-31	3597
2001-03-31	3158
2001-06-30	3545
2001-09-30	3102
2001-12-31	3400
2002-03-31	3794
2002-06-30	3787
2002-09-30	3862
2002-12-31	4328
2003-03-31	3466
2003-06-30	3795
2003-09-30	3487
2003-12-31	4471
2004-03-31	4490
2004-06-30	4547
2004-09-30	6009