Quarter	US dollars
1999-09-30	14085
1999-12-31	15015
2000-03-31	15813
2000-06-30	15607
2000-09-30	16449
2000-12-31	18363
2001-03-31	17793
2001-06-30	18059
2001-09-30	17035
2001-12-31	15306
2002-03-31	13610
2002-06-30	12829
2002-09-30	15020
2002-12-31	13198
2003-03-31	14460
2003-06-30	12338
2003-09-30	13153
2003-12-31	14611
2004-03-31	21233
2004-06-30	12420
2004-09-30	20750