Quarter	US dollars
1999-09-30	9947
1999-12-31	10451
2000-03-31	9332
2000-06-30	9639
2000-09-30	9231
2000-12-31	8505
2001-03-31	7455
2001-06-30	7168
2001-09-30	7842
2001-12-31	8125
2002-03-31	8154
2002-06-30	8079
2002-09-30	8615
2002-12-31	10150
2003-03-31	9844
2003-06-30	10061
2003-09-30	9865
2003-12-31	9151
2004-03-31	10243
2004-06-30	9598
2004-09-30	10415