Quarter	US dollars
1999-09-30	721
1999-12-31	658
2000-03-31	700
2000-06-30	669
2000-09-30	679
2000-12-31	683
2001-03-31	684
2001-06-30	688
2001-09-30	711
2001-12-31	728
2002-03-31	750
2002-06-30	761
2002-09-30	1061
2002-12-31	736
2003-03-31	676
2003-06-30	531
2003-09-30	508
2003-12-31	500
2004-03-31	487
2004-06-30	484
2004-09-30	507