Quarter	US dollars
1999-09-30	3656
1999-12-31	3053
2000-03-31	2441
2000-06-30	2044
2000-09-30	2846
2000-12-31	3114
2001-03-31	4022
2001-06-30	4677
2001-09-30	4164
2001-12-31	3239
2002-03-31	3327
2002-06-30	4271
2002-09-30	4957
2002-12-31	4323
2003-03-31	4413
2003-06-30	3243
2003-09-30	4801
2003-12-31	3808
2004-03-31	4957
2004-06-30	4342
2004-09-30	4504