Quarter US dollars 1999-09-30 2231 1999-12-31 2618 2000-03-31 2240 2000-06-30 2674 2000-09-30 3564 2000-12-31 3739 2001-03-31 2775 2001-06-30 4031 2001-09-30 4189 2001-12-31 4070 2002-03-31 4966 2002-06-30 5099 2002-09-30 5712 2002-12-31 5748 2003-03-31 5902 2003-06-30 5137 2003-09-30 4780 2003-12-31 4722 2004-03-31 4163 2004-06-30 4048 2004-09-30 4524