Quarter US dollars 1999-09-30 10776 1999-12-31 9205 2000-03-31 10130 2000-06-30 10895 2000-09-30 11837 2000-12-31 12727 2001-03-31 13768 2001-06-30 13644 2001-09-30 15085 2001-12-31 14479 2002-03-31 15853 2002-06-30 16419 2002-09-30 18549 2002-12-31 19934 2003-03-31 24664 2003-06-30 25008 2003-09-30 29186 2003-12-31 35110 2004-03-31 43150 2004-06-30 43079 2004-09-30 42202