Quarter	US dollars
1999-09-30	10043
1999-12-31	14931
2000-03-31	15647
2000-06-30	16261
2000-09-30	17369
2000-12-31	14564
2001-03-31	14676
2001-06-30	16777
2001-09-30	16544
2001-12-31	14553
2002-03-31	18361
2002-06-30	16877
2002-09-30	16422
2002-12-31	17354
2003-03-31	19787
2003-06-30	20790
2003-09-30	20110
2003-12-31	20727
2004-03-31	19195
2004-06-30	20123
2004-09-30	19342