Quarter	US dollars
1999-09-30	5608
1999-12-31	5322
2000-03-31	4932
2000-06-30	5481
2000-09-30	4734
2000-12-31	5192
2001-03-31	5545
2001-06-30	5856
2001-09-30	5686
2001-12-31	5617
2002-03-31	5434
2002-06-30	5626
2002-09-30	7484
2002-12-31	5414
2003-03-31	9733
2003-06-30	6553
2003-09-30	7609
2003-12-31	7049
2004-03-31	10803
2004-06-30	8303
2004-09-30	10614