Quarter	US dollars
1999-09-30	8123
1999-12-31	8436
2000-03-31	9578
2000-06-30	10423
2000-09-30	11914
2000-12-31	12660
2001-03-31	12838
2001-06-30	13951
2001-09-30	14986
2001-12-31	16311
2002-03-31	21418
2002-06-30	21710
2002-09-30	22007
2002-12-31	20950
2003-03-31	20621
2003-06-30	23035
2003-09-30	24223
2003-12-31	22960
2004-03-31	22998
2004-06-30	21534
2004-09-30	22124