Quarter	US dollars
1999-09-30	33
1999-12-31	52
2000-03-31	43
2000-06-30	36
2000-09-30	55
2000-12-31	43
2001-03-31	30
2001-06-30	32
2001-09-30	53
2001-12-31	47
2002-03-31	50
2002-06-30	87
2002-09-30	55
2002-12-31	84
2003-03-31	73
2003-06-30	56
2003-09-30	65
2003-12-31	68
2004-03-31	70
2004-06-30	80
2004-09-30	65