Quarter	US dollars
1999-09-30	10112
1999-12-31	11035
2000-03-31	13623
2000-06-30	15869
2000-09-30	15048
2000-12-31	21948
2001-03-31	21296
2001-06-30	20804
2001-09-30	20069
2001-12-31	18103
2002-03-31	19984
2002-06-30	20937
2002-09-30	20156
2002-12-31	21828
2003-03-31	22529
2003-06-30	21635
2003-09-30	19723
2003-12-31	20824
2004-03-31	19019
2004-06-30	25533
2004-09-30	21412