Quarter	US dollars
1999-09-30	3405
1999-12-31	3245
2000-03-31	3099
2000-06-30	3417
2000-09-30	3198
2000-12-31	3084
2001-03-31	3077
2001-06-30	2772
2001-09-30	2558
2001-12-31	2878
2002-03-31	2793
2002-06-30	3123
2002-09-30	3063
2002-12-31	3707
2003-03-31	3278
2003-06-30	3089
2003-09-30	3158
2003-12-31	3644
2004-03-31	2577
2004-06-30	4188
2004-09-30	4301