Quarter	US dollars
1999-09-30	115
1999-12-31	116
2000-03-31	113
2000-06-30	112
2000-09-30	105
2000-12-31	94
2001-03-31	104
2001-06-30	94
2001-09-30	94
2001-12-31	93
2002-03-31	93
2002-06-30	96
2002-09-30	102
2002-12-31	103
2003-03-31	107
2003-06-30	86
2003-09-30	81
2003-12-31	79
2004-03-31	79
2004-06-30	78
2004-09-30	80