Quarter	US dollars
1999-09-30	89
1999-12-31	90
2000-03-31	86
2000-06-30	88
2000-09-30	89
2000-12-31	94
2001-03-31	85
2001-06-30	82
2001-09-30	75
2001-12-31	73
2002-03-31	71
2002-06-30	61
2002-09-30	50
2002-12-31	48
2003-03-31	44
2003-06-30	48
2003-09-30	43
2003-12-31	41
2004-03-31	44
2004-06-30	40
2004-09-30	40