Quarter	US dollars
1999-09-30	11265
1999-12-31	13032
2000-03-31	12210
2000-06-30	13235
2000-09-30	13213
2000-12-31	12746
2001-03-31	11500
2001-06-30	12271
2001-09-30	11607
2001-12-31	10831
2002-03-31	12260
2002-06-30	14518
2002-09-30	16026
2002-12-31	15044
2003-03-31	18527
2003-06-30	16266
2003-09-30	19352
2003-12-31	18682
2004-03-31	25960
2004-06-30	20604
2004-09-30	29037