Quarter	US dollars
1999-09-30	14591
1999-12-31	13979
2000-03-31	13953
2000-06-30	13354
2000-09-30	11998
2000-12-31	12829
2001-03-31	11603
2001-06-30	12669
2001-09-30	13140
2001-12-31	12723
2002-03-31	12954
2002-06-30	11761
2002-09-30	11801
2002-12-31	14771
2003-03-31	13273
2003-06-30	14630
2003-09-30	18460
2003-12-31	10500
2004-03-31	14562
2004-06-30	12096
2004-09-30	12023