Quarter	US dollars
1999-09-30	21569
1999-12-31	17206
2000-03-31	16194
2000-06-30	13666
2000-09-30	15494
2000-12-31	13059
2001-03-31	14783
2001-06-30	13698
2001-09-30	15844
2001-12-31	12483
2002-03-31	15914
2002-06-30	14419
2002-09-30	14131
2002-12-31	18250
2003-03-31	20861
2003-06-30	22455
2003-09-30	20424
2003-12-31	16455
2004-03-31	23926
2004-06-30	22279
2004-09-30	23558