Quarter	US dollars
1999-09-30	19215
1999-12-31	19707
2000-03-31	20197
2000-06-30	19909
2000-09-30	19457
2000-12-31	21818
2001-03-31	21127
2001-06-30	21274
2001-09-30	22484
2001-12-31	21137
2002-03-31	16220
2002-06-30	14788
2002-09-30	13692
2002-12-31	17721
2003-03-31	15979
2003-06-30	14814
2003-09-30	14576
2003-12-31	13477
2004-03-31	14040
2004-06-30	12611
2004-09-30	11571