Quarter	US dollars
1999-09-30	392
1999-12-31	448
2000-03-31	502
2000-06-30	485
2000-09-30	540
2000-12-31	523
2001-03-31	513
2001-06-30	540
2001-09-30	494
2001-12-31	406
2002-03-31	323
2002-06-30	339
2002-09-30	272
2002-12-31	296
2003-03-31	270
2003-06-30	231
2003-09-30	188
2003-12-31	167
2004-03-31	151
2004-06-30	154
2004-09-30	85