Quarter	US dollars
1999-09-30	99
1999-12-31	94
2000-03-31	96
2000-06-30	95
2000-09-30	81
2000-12-31	87
2001-03-31	100
2001-06-30	97
2001-09-30	104
2001-12-31	102
2002-03-31	120
2002-06-30	119
2002-09-30	135
2002-12-31	135
2003-03-31	126
2003-06-30	158
2003-09-30	146
2003-12-31	161
2004-03-31	180
2004-06-30	178
2004-09-30	145