Quarter	US dollars
1999-09-30	21
1999-12-31	29
2000-03-31	27
2000-06-30	29
2000-09-30	28
2000-12-31	27
2001-03-31	23
2001-06-30	24
2001-09-30	25
2001-12-31	26
2002-03-31	27
2002-06-30	27
2002-09-30	27
2002-12-31	21
2003-03-31	22
2003-06-30	25
2003-09-30	25
2003-12-31	27
2004-03-31	28
2004-06-30	25
2004-09-30	27