Quarter	US dollars
1999-09-30	79
1999-12-31	74
2000-03-31	72
2000-06-30	70
2000-09-30	65
2000-12-31	72
2001-03-31	77
2001-06-30	80
2001-09-30	85
2001-12-31	87
2002-03-31	27
2002-06-30	18
2002-09-30	24
2002-12-31	19
2003-03-31	19
2003-06-30	20
2003-09-30	20
2003-12-31	21
2004-03-31	15
2004-06-30	38
2004-09-30	20