Quarter	US dollars
1999-03-31	51
1999-06-30	50
1999-09-30	52
1999-12-31	54
2000-03-31	49
2000-06-30	46
2000-09-30	46
2000-12-31	53
2001-03-31	20
2001-06-30	20
2001-09-30	21
2001-12-31	20
2002-03-31	20
2002-06-30	23
2002-09-30	20
2002-12-31	42
2003-03-31	15
2003-06-30	22
2003-09-30	24
2003-12-31	27
2004-03-31	21