Quarter	US dollars
1999-09-30	840
1999-12-31	793
2000-03-31	967
2000-06-30	992
2000-09-30	993
2000-12-31	1044
2001-03-31	1024
2001-06-30	1097
2001-09-30	1138
2001-12-31	981
2002-03-31	1005
2002-06-30	1044
2002-09-30	1011
2002-12-31	937
2003-03-31	888
2003-06-30	913
2003-09-30	914
2003-12-31	804
2004-03-31	862
2004-06-30	905
2004-09-30	901