Quarter	US dollars
1999-09-30	17968
1999-12-31	13788
2000-03-31	14585
2000-06-30	16295
2000-09-30	18933
2000-12-31	19478
2001-03-31	15128
2001-06-30	16376
2001-09-30	16438
2001-12-31	16680
2002-03-31	18518
2002-06-30	16948
2002-09-30	13607
2002-12-31	15588
2003-03-31	17340
2003-06-30	17729
2003-09-30	15886
2003-12-31	21626
2004-03-31	20239
2004-06-30	28675
2004-09-30	28896