Quarter	US dollars
1999-09-30	1270
1999-12-31	1336
2000-03-31	1498
2000-06-30	1490
2000-09-30	1505
2000-12-31	1585
2001-03-31	1707
2001-06-30	1824
2001-09-30	1874
2001-12-31	1766
2002-03-31	1736
2002-06-30	2109
2002-09-30	1752
2002-12-31	1833
2003-03-31	1737
2003-06-30	2028
2003-09-30	2137
2003-12-31	2353
2004-03-31	2421
2004-06-30	2608
2004-09-30	2730