Quarter	US dollars
1999-09-30	53354
1999-12-31	51883
2000-03-31	64409
2000-06-30	62693
2000-09-30	65928
2000-12-31	79521
2001-03-31	89423
2001-06-30	84779
2001-09-30	95381
2001-12-31	89326
2002-03-31	96114
2002-06-30	107771
2002-09-30	115836
2002-12-31	106832
2003-03-31	115023
2003-06-30	122579
2003-09-30	123530
2003-12-31	143948
2004-03-31	159680
2004-06-30	172039
2004-09-30	177888