Quarter	US dollars
1999-09-30	21783
1999-12-31	23100
2000-03-31	25439
2000-06-30	25302
2000-09-30	27513
2000-12-31	32086
2001-03-31	31903
2001-06-30	30415
2001-09-30	33932
2001-12-31	30822
2002-03-31	31386
2002-06-30	28700
2002-09-30	43491
2002-12-31	33675
2003-03-31	34530
2003-06-30	33893
2003-09-30	35360
2003-12-31	41329
2004-03-31	43246
2004-06-30	46188
2004-09-30	61288