Quarter	US dollars
1999-09-30	18908
1999-12-31	16808
2000-03-31	19572
2000-06-30	19429
2000-09-30	21978
2000-12-31	20890
2001-03-31	25416
2001-06-30	24904
2001-09-30	27870
2001-12-31	24352
2002-03-31	28226
2002-06-30	29661
2002-09-30	32791
2002-12-31	34481
2003-03-31	33853
2003-06-30	35531
2003-09-30	39746
2003-12-31	44150
2004-03-31	52226
2004-06-30	49909
2004-09-30	46180