Quarter	US dollars
1999-09-30	2086
1999-12-31	3108
2000-03-31	3096
2000-06-30	3551
2000-09-30	3169
2000-12-31	3304
2001-03-31	4025
2001-06-30	4650
2001-09-30	4530
2001-12-31	4191
2002-03-31	3351
2002-06-30	2014
2002-09-30	2387
2002-12-31	2033
2003-03-31	2431
2003-06-30	2353
2003-09-30	3004
2003-12-31	2625
2004-03-31	3097
2004-06-30	2775
2004-09-30	2772