Quarter	US dollars
1999-09-30	3298
1999-12-31	3189
2000-03-31	3189
2000-06-30	3072
2000-09-30	3137
2000-12-31	3649
2001-03-31	3189
2001-06-30	3040
2001-09-30	3090
2001-12-31	3250
2002-03-31	3854
2002-06-30	3955
2002-09-30	3848
2002-12-31	4162
2003-03-31	4487
2003-06-30	4607
2003-09-30	5132
2003-12-31	5565
2004-03-31	5521
2004-06-30	5690
2004-09-30	5872