Quarter	US dollars
1999-09-30	4253
1999-12-31	3651
2000-03-31	3048
2000-06-30	3022
2000-09-30	3178
2000-12-31	2836
2001-03-31	3314
2001-06-30	2516
2001-09-30	2990
2001-12-31	2204
2002-03-31	1932
2002-06-30	1669
2002-09-30	1447
2002-12-31	951
2003-03-31	951
2003-06-30	1139
2003-09-30	842
2003-12-31	868
2004-03-31	877
2004-06-30	765
2004-09-30	776