Quarter	US dollars
1999-09-30	675
1999-12-31	429
2000-03-31	715
2000-06-30	669
2000-09-30	1335
2000-12-31	1954
2001-03-31	1352
2001-06-30	1266
2001-09-30	863
2001-12-31	827
2002-03-31	1823
2002-06-30	2481
2002-09-30	2790
2002-12-31	2540
2003-03-31	2924
2003-06-30	1738
2003-09-30	1416
2003-12-31	1506
2004-03-31	1233
2004-06-30	1025
2004-09-30	1294