Quarter	US dollars
1999-09-30	3791
1999-12-31	3419
2000-03-31	3168
2000-06-30	3054
2000-09-30	2835
2000-12-31	2806
2001-03-31	2758
2001-06-30	2726
2001-09-30	2799
2001-12-31	3084
2002-03-31	2815
2002-06-30	2839
2002-09-30	2722
2002-12-31	2653
2003-03-31	2769
2003-06-30	2827
2003-09-30	3059
2003-12-31	3468
2004-03-31	4371
2004-06-30	4754
2004-09-30	5121