Quarter	US dollars
1999-09-30	43
1999-12-31	74
2000-03-31	94
2000-06-30	126
2000-09-30	59
2000-12-31	64
2001-03-31	54
2001-06-30	501
2001-09-30	484
2001-12-31	434
2002-03-31	441
2002-06-30	493
2002-09-30	517
2002-12-31	404
2003-03-31	387
2003-06-30	328
2003-09-30	382
2003-12-31	260
2004-03-31	300
2004-06-30	259
2004-09-30	362