Quarter	US dollars
1999-09-30	1647
1999-12-31	1314
2000-03-31	1356
2000-06-30	1316
2000-09-30	1628
2000-12-31	1405
2001-03-31	1162
2001-06-30	1193
2001-09-30	1335
2001-12-31	1531
2002-03-31	1722
2002-06-30	1967
2002-09-30	1969
2002-12-31	1869
2003-03-31	1833
2003-06-30	1941
2003-09-30	1852
2003-12-31	1987
2004-03-31	2042
2004-06-30	2117
2004-09-30	2173