Quarter	US dollars
1999-09-30	1263
1999-12-31	1620
2000-03-31	1492
2000-06-30	2215
2000-09-30	2154
2000-12-31	2368
2001-03-31	1518
2001-06-30	1668
2001-09-30	1993
2001-12-31	1811
2002-03-31	2081
2002-06-30	2499
2002-09-30	2681
2002-12-31	2395
2003-03-31	2347
2003-06-30	2579
2003-09-30	2210
2003-12-31	3533
2004-03-31	4023
2004-06-30	1986
2004-09-30	3000