Quarter	US dollars
1999-09-30	889
1999-12-31	808
2000-03-31	758
2000-06-30	774
2000-09-30	718
2000-12-31	716
2001-03-31	694
2001-06-30	715
2001-09-30	685
2001-12-31	617
2002-03-31	513
2002-06-30	487
2002-09-30	486
2002-12-31	491
2003-03-31	496
2003-06-30	578
2003-09-30	568
2003-12-31	562
2004-03-31	564
2004-06-30	495
2004-09-30	610