Quarter	US dollars
1999-09-30	534747
1999-12-31	519073
2000-03-31	535392
2000-06-30	518850
2000-09-30	522845
2000-12-31	546932
2001-03-31	538127
2001-06-30	522316
2001-09-30	555436
2001-12-31	570796
2002-03-31	573532
2002-06-30	596059
2002-09-30	645073
2002-12-31	678186
2003-03-31	830430
2003-06-30	863328
2003-09-30	921103
2003-12-31	860145
2004-03-31	979754
2004-06-30	959812
2004-09-30	1015224