Quarter	US dollars
1999-09-30	9583
1999-12-31	9331
2000-03-31	9683
2000-06-30	9262
2000-09-30	8738
2000-12-31	8339
2001-03-31	8458
2001-06-30	7441
2001-09-30	7300
2001-12-31	7534
2002-03-31	7860
2002-06-30	10002
2002-09-30	9660
2002-12-31	8972
2003-03-31	10346
2003-06-30	9292
2003-09-30	9865
2003-12-31	9792
2004-03-31	11448
2004-06-30	11174
2004-09-30	11978