Quarter	US dollars
1999-09-30	522
1999-12-31	663
2000-03-31	697
2000-06-30	716
2000-09-30	655
2000-12-31	597
2001-03-31	637
2001-06-30	608
2001-09-30	613
2001-12-31	582
2002-03-31	629
2002-06-30	638
2002-09-30	736
2002-12-31	758
2003-03-31	793
2003-06-30	810
2003-09-30	922
2003-12-31	958
2004-03-31	855
2004-06-30	883
2004-09-30	791