Quarter	US dollars
1999-09-30	38004
1999-12-31	35559
2000-03-31	40012
2000-06-30	37796
2000-09-30	37673
2000-12-31	43132
2001-03-31	38756
2001-06-30	41510
2001-09-30	38220
2001-12-31	39876
2002-03-31	41252
2002-06-30	45426
2002-09-30	52353
2002-12-31	51613
2003-03-31	65066
2003-06-30	68931
2003-09-30	64208
2003-12-31	60023
2004-03-31	57296
2004-06-30	48215
2004-09-30	51828