Quarter	US dollars
1999-09-30	637
1999-12-31	463
2000-03-31	498
2000-06-30	513
2000-09-30	488
2000-12-31	550
2001-03-31	516
2001-06-30	487
2001-09-30	491
2001-12-31	575
2002-03-31	527
2002-06-30	510
2002-12-31	578
2003-03-31	661
2003-06-30	695
2003-09-30	605
2003-12-31	662
2004-03-31	629
2004-06-30	684
2004-09-30	684