Quarter	US dollars
1999-09-30	19681
1999-12-31	19321
2000-03-31	20658
2000-06-30	17670
2000-09-30	15204
2000-12-31	20798
2001-03-31	21945
2001-06-30	19432
2001-09-30	19156
2001-12-31	18739
2002-03-31	16041
2002-06-30	19129
2002-09-30	17498
2002-12-31	18672
2003-03-31	21029
2003-06-30	21442
2003-09-30	30512
2003-12-31	25033
2004-03-31	34679
2004-06-30	39134
2004-09-30	39112