Quarter	US dollars
1999-09-30	1930
1999-12-31	1759
2000-03-31	1694
2000-06-30	3563
2000-09-30	2475
2000-12-31	1839
2001-03-31	1935
2001-06-30	2798
2001-09-30	1971
2001-12-31	1755
2002-03-31	1951
2002-06-30	2048
2002-09-30	2228
2002-12-31	3084
2003-03-31	3931
2003-06-30	4366
2003-09-30	4124
2003-12-31	4294
2004-03-31	4128
2004-06-30	4095
2004-09-30	3821