Quarter	US dollars
1999-09-30	20
1999-12-31	15
2000-03-31	16
2000-06-30	12
2000-09-30	7
2000-12-31	19
2001-03-31	18
2001-06-30	18
2001-09-30	3
2001-12-31	3
2002-03-31	3
2002-06-30	3
2002-09-30	3
2002-12-31	2
2003-03-31	2
2003-06-30	2
2003-09-30	2
2003-12-31	2
2004-03-31	2
2004-06-30	2
2004-09-30	2