Quarter	US dollars
1999-09-30	6399
1999-12-31	6426
2000-03-31	6477
2000-06-30	7622
2000-09-30	6505
2000-12-31	7363
2001-03-31	7376
2001-06-30	7307
2001-09-30	7282
2001-12-31	7907
2002-03-31	7756
2002-06-30	8203
2002-09-30	8882
2002-12-31	9112
2003-03-31	9224
2003-06-30	9163
2003-09-30	10788
2003-12-31	11098
2004-03-31	11976
2004-06-30	13102
2004-09-30	14300