Quarter	US dollars
1999-09-30	1001
1999-12-31	998
2000-03-31	1013
2000-06-30	1487
2000-09-30	1373
2000-12-31	1248
2001-03-31	1146
2001-06-30	1152
2001-09-30	1263
2001-12-31	1394
2002-03-31	1512
2002-06-30	1555
2002-09-30	1746
2002-12-31	1911
2003-03-31	1813
2003-06-30	1969
2003-09-30	1891
2003-12-31	1828
2004-03-31	1731
2004-06-30	1821
2004-09-30	1406