Quarter	US dollars
1999-09-30	469
1999-12-31	419
2000-03-31	471
2000-06-30	477
2000-09-30	443
2000-12-31	576
2001-03-31	518
2001-06-30	519
2001-09-30	597
2001-12-31	470
2002-03-31	615
2002-06-30	818
2002-09-30	918
2002-12-31	868
2003-03-31	1016
2003-06-30	1028
2003-09-30	1422
2003-12-31	1565
2004-03-31	1472
2004-06-30	1961
2004-09-30	1630