Quarter	US dollars
1999-09-30	18
1999-12-31	26
2000-03-31	43
2000-06-30	80
2000-09-30	78
2000-12-31	81
2001-03-31	74
2001-06-30	82
2001-09-30	69
2001-12-31	76
2002-03-31	73
2002-06-30	87
2002-09-30	49
2002-12-31	68
2003-03-31	43
2003-06-30	61
2003-09-30	55
2003-12-31	66
2004-03-31	70
2004-06-30	76
2004-09-30	83