Quarter	US dollars
1999-09-30	1607
1999-12-31	1459
2000-03-31	1394
2000-06-30	1722
2000-09-30	1941
2000-12-31	2899
2001-03-31	4255
2001-06-30	2497
2001-09-30	3046
2001-12-31	4183
2002-03-31	4415
2002-06-30	4826
2002-09-30	5447
2002-12-31	5513
2003-03-31	4742
2003-06-30	3002
2003-09-30	5007
2003-12-31	7271
2004-03-31	6809
2004-06-30	6749
2004-09-30	6508