Quarter	US dollars
1999-09-30	4561
1999-12-31	5233
2000-03-31	5987
2000-06-30	5681
2000-09-30	5201
2000-12-31	5392
2001-03-31	5471
2001-06-30	7058
2001-09-30	5787
2001-12-31	4831
2002-03-31	6897
2002-06-30	4239
2002-09-30	5867
2002-12-31	4748
2003-03-31	7267
2003-06-30	5650
2003-09-30	6081
2003-12-31	6829
2004-03-31	7723
2004-06-30	6903
2004-09-30	7093