Quarter	US dollars
1999-09-30	4159
1999-12-31	4490
2000-03-31	4350
2000-06-30	4252
2000-09-30	4651
2000-12-31	3486
2001-03-31	4358
2001-06-30	4912
2001-09-30	4745
2001-12-31	4205
2002-03-31	3124
2002-06-30	3322
2002-09-30	3699
2002-12-31	2157
2003-03-31	2834
2003-06-30	3429
2003-09-30	3539
2003-12-31	2201
2004-03-31	3442
2004-06-30	2699
2004-09-30	2857