Quarter	US dollars
1999-09-30	15539
1999-12-31	6266
2000-03-31	6968
2000-06-30	6028
2000-09-30	6252
2000-12-31	5422
2001-03-31	4922
2001-06-30	5420
2001-09-30	5837
2001-12-31	5594
2002-03-31	5682
2002-06-30	5972
2002-09-30	5817
2002-12-31	5534
2003-03-31	5722
2003-06-30	6591
2003-09-30	7915
2003-12-31	8816
2004-03-31	9403
2004-06-30	11666
2004-09-30	9879