Quarter	US dollars
1999-09-30	6918
1999-12-31	6692
2000-03-31	6705
2000-06-30	6312
2000-09-30	6536
2000-12-31	6186
2001-03-31	6041
2001-06-30	5393
2001-09-30	5518
2001-12-31	5047
2002-03-31	3955
2002-06-30	4153
2002-09-30	4549
2002-12-31	3002
2003-03-31	4046
2003-06-30	5021
2003-09-30	4988
2003-12-31	3624
2004-03-31	4953
2004-06-30	4609
2004-09-30	4610