Quarter	US dollars
1999-09-30	1518
1999-12-31	1303
2000-03-31	1308
2000-06-30	1531
2000-09-30	1570
2000-12-31	1299
2001-03-31	1191
2001-06-30	1477
2001-09-30	1823
2001-12-31	1852
2002-03-31	2327
2002-06-30	2235
2002-09-30	2316
2002-12-31	2183
2003-03-31	2578
2003-06-30	2850
2003-09-30	2803
2003-12-31	3237
2004-03-31	3115
2004-06-30	3430
2004-09-30	3572