Quarter	US dollars
1999-09-30	1719
1999-12-31	1332
2000-03-31	1330
2000-06-30	1348
2000-09-30	1709
2000-12-31	1700
2001-03-31	1518
2001-06-30	1650
2001-09-30	1742
2001-12-31	1744
2002-03-31	1443
2002-06-30	1886
2002-09-30	2403
2002-12-31	2215
2003-03-31	2519
2003-06-30	2655
2003-09-30	2858
2003-12-31	2670
2004-03-31	2494
2004-06-30	2679
2004-09-30	2870