Quarter	US dollars
1999-09-30	324355
1999-12-31	314271
2000-03-31	339802
2000-06-30	349574
2000-09-30	354641
2000-12-31	391937
2001-03-31	394562
2001-06-30	388580
2001-09-30	411714
2001-12-31	389064
2002-03-31	393861
2002-06-30	432904
2002-09-30	470492
2002-12-31	463370
2003-03-31	494727
2003-06-30	516023
2003-09-30	546770
2003-12-31	562220
2004-03-31	639035
2004-06-30	672799
2004-09-30	733109