Quarter	US dollars
1999-09-30	10967
1999-12-31	10940
2000-03-31	10576
2000-06-30	10343
2000-09-30	9269
2000-12-31	10810
2001-03-31	12136
2001-06-30	10872
2001-09-30	11052
2001-12-31	9907
2002-03-31	8835
2002-06-30	7495
2002-09-30	7210
2002-12-31	7296
2003-03-31	8361
2003-06-30	7903
2003-09-30	6406
2003-12-31	6174
2004-03-31	9728
2004-06-30	5876
2004-09-30	5636