Quarter	US dollars
1999-09-30	1189
1999-12-31	1256
2000-03-31	2114
2000-06-30	1902
2000-09-30	1645
2000-12-31	1585
2001-03-31	1422
2001-06-30	1612
2001-09-30	1723
2001-12-31	1585
2002-03-31	1606
2002-06-30	1720
2002-09-30	2189
2002-12-31	1914
2003-03-31	1927
2003-06-30	2297
2003-09-30	2469
2003-12-31	2861
2004-03-31	3233
2004-06-30	2013
2004-09-30	2575