Quarter	US dollars
1999-09-30	13
1999-12-31	23
2000-03-31	26
2000-06-30	26
2000-09-30	34
2000-12-31	46
2001-03-31	60
2001-06-30	44
2001-09-30	41
2001-12-31	36
2002-03-31	37
2002-06-30	41
2002-09-30	47
2002-12-31	58
2003-03-31	58
2003-06-30	66
2003-09-30	70
2003-12-31	77
2004-03-31	79
2004-06-30	76
2004-09-30	74