Quarter US dollars 1999-09-30 423 1999-12-31 390 2000-03-31 388 2000-06-30 547 2000-09-30 560 2000-12-31 547 2001-03-31 579 2001-06-30 533 2001-09-30 466 2001-12-31 288 2002-03-31 253 2002-06-30 255 2002-09-30 242 2002-12-31 497 2003-03-31 539 2003-06-30 475 2003-09-30 527 2003-12-31 337 2004-03-31 511 2004-06-30 455 2004-09-30 514