Quarter	US dollars
1999-09-30	22658
1999-12-31	19387
2000-03-31	22031
2000-06-30	20590
2000-09-30	18485
2000-12-31	22908
2001-03-31	24266
2001-06-30	21354
2001-09-30	21363
2001-12-31	20687
2002-03-31	19577
2002-06-30	22548
2002-09-30	22047
2002-12-31	22511
2003-03-31	27367
2003-06-30	27739
2003-09-30	33632
2003-12-31	30168
2004-03-31	37010
2004-06-30	40576
2004-09-30	39722