Quarter	US dollars
1999-09-30	5141
1999-12-31	5828
2000-03-31	4460
2000-06-30	4133
2000-09-30	4671
2000-12-31	4944
2001-03-31	4171
2001-06-30	4373
2001-09-30	4297
2001-12-31	4319
2002-03-31	4267
2002-06-30	5145
2002-09-30	5856
2002-12-31	6353
2003-03-31	6994
2003-06-30	8550
2003-09-30	6777
2003-12-31	14500
2004-03-31	13518
2004-06-30	13572
2004-09-30	15926