Quarter	US dollars
1999-09-30	15
1999-12-31	16
2000-03-31	18
2000-06-30	14
2000-09-30	16
2000-12-31	54
2001-03-31	13
2001-06-30	4
2001-09-30	7
2001-12-31	6
2002-03-31	10
2002-06-30	11
2002-09-30	27
2002-12-31	14
2003-03-31	17
2003-06-30	15
2003-09-30	15
2003-12-31	20
2004-03-31	18
2004-06-30	20
2004-09-30	31