Quarter	US dollars
1999-09-30	802
1999-12-31	661
2000-03-31	649
2000-06-30	615
2000-09-30	525
2000-12-31	613
2001-03-31	530
2001-06-30	558
2001-09-30	610
2001-12-31	555
2002-03-31	496
2002-06-30	481
2002-09-30	478
2002-12-31	422
2003-03-31	414
2003-06-30	406
2003-09-30	369
2003-12-31	363
2004-03-31	443
2004-06-30	379
2004-09-30	409