Quarter	US dollars
1999-09-30	18
1999-12-31	21
2000-03-31	18
2000-06-30	21
2000-09-30	15
2000-12-31	25
2001-03-31	26
2001-06-30	13
2001-09-30	18
2001-12-31	17
2002-03-31	21
2002-06-30	29
2002-09-30	42
2002-12-31	26
2003-03-31	33
2003-06-30	43
2003-09-30	50
2003-12-31	32
2004-03-31	35
2004-06-30	34
2004-09-30	36