Quarter	US dollars
1999-09-30	5704
1999-12-31	6194
2000-03-31	6126
2000-06-30	7157
2000-09-30	9582
2000-12-31	12238
2001-03-31	10674
2001-06-30	12160
2001-09-30	12289
2001-12-31	12902
2002-03-31	10402
2002-06-30	12077
2002-09-30	11717
2002-12-31	12780
2003-03-31	12172
2003-06-30	11698
2003-09-30	15408
2003-12-31	17586
2004-03-31	17058
2004-06-30	17997
2004-09-30	17106