Quarter	US dollars
1999-09-30	9280
1999-12-31	8813
2000-03-31	8691
2000-06-30	8768
2000-09-30	8391
2000-12-31	8513
2001-03-31	8323
2001-06-30	7728
2001-09-30	8136
2001-12-31	8342
2002-03-31	8640
2002-06-30	8561
2002-09-30	8545
2002-12-31	8767
2003-03-31	9306
2003-06-30	9361
2003-09-30	10507
2003-12-31	10467
2004-03-31	12514
2004-06-30	9671
2004-09-30	11061