Quarter US dollars 1999-09-30 2524 1999-12-31 3232 2000-03-31 4100 2000-06-30 4361 2000-09-30 5425 2000-12-31 5061 2001-03-31 4956 2001-06-30 6164 2001-09-30 5836 2001-12-31 5575 2002-03-31 6779 2002-06-30 8367 2002-09-30 8629 2002-12-31 8825 2003-03-31 8769 2003-06-30 9068 2003-09-30 8058 2003-12-31 8747 2004-03-31 8888 2004-06-30 9975 2004-09-30 7900