Quarter	US dollars
1999-09-30	2954
1999-12-31	2879
2000-03-31	3151
2000-06-30	3254
2000-09-30	3029
2000-12-31	3705
2001-03-31	3338
2001-06-30	3220
2001-09-30	3035
2001-12-31	3310
2002-03-31	4073
2002-06-30	3569
2002-09-30	3661
2002-12-31	3942
2003-03-31	3811
2003-06-30	3896
2003-09-30	4321
2003-12-31	4104
2004-03-31	4512
2004-06-30	5311
2004-09-30	5835