Quarter	US dollars
1999-09-30	15
1999-12-31	15
2000-03-31	13
2000-06-30	12
2000-09-30	12
2000-12-31	24
2001-03-31	24
2001-06-30	20
2001-09-30	19
2001-12-31	17
2002-03-31	16
2002-06-30	18
2002-09-30	17
2002-12-31	16
2003-03-31	17
2003-06-30	21
2003-09-30	22
2003-12-31	23
2004-03-31	24
2004-06-30	27
2004-09-30	33