Quarter	US dollars
1999-09-30	5202
1999-12-31	4696
2000-03-31	4991
2000-06-30	5601
2000-09-30	5585
2000-12-31	6251
2001-03-31	5828
2001-06-30	6534
2001-09-30	6252
2001-12-31	6854
2002-03-31	7066
2002-06-30	6717
2002-09-30	7553
2002-12-31	7497
2003-03-31	7771
2003-06-30	8013
2003-09-30	8953
2003-12-31	8566
2004-03-31	8765
2004-06-30	9613
2004-09-30	10333