Quarter	US dollars
1999-09-30	13766
1999-12-31	16816
2000-03-31	19752
2000-06-30	16660
2000-09-30	12058
2000-12-31	11517
2001-03-31	12920
2001-06-30	11322
2001-09-30	12293
2001-12-31	11575
2002-03-31	12919
2002-06-30	15836
2002-09-30	18366
2002-12-31	15865
2003-03-31	17795
2003-06-30	17262
2003-09-30	21678
2003-12-31	21579
2004-03-31	30888
2004-06-30	33251
2004-09-30	35553