Quarter	US dollars
1999-09-30	20
1999-12-31	18
2000-03-31	19
2000-06-30	20
2000-09-30	15
2000-12-31	10
2001-03-31	16
2001-06-30	20
2001-09-30	21
2001-12-31	20
2002-03-31	21
2002-06-30	17
2002-09-30	17
2002-12-31	18
2003-03-31	13
2003-06-30	13
2003-09-30	7
2003-12-31	9
2004-03-31	18
2004-06-30	11
2004-09-30	13