Quarter	US dollars
1999-09-30	407
1999-12-31	421
2000-03-31	472
2000-06-30	501
2000-09-30	566
2000-12-31	579
2001-03-31	641
2001-06-30	691
2001-09-30	773
2001-12-31	782
2002-03-31	934
2002-06-30	983
2002-09-30	994
2002-12-31	1080
2003-03-31	1056
2003-06-30	1073
2003-09-30	1060
2003-12-31	1013
2004-03-31	840
2004-06-30	673
2004-09-30	487