Quarter	US dollars
1999-09-30	10777
1999-12-31	9138
2000-03-31	10005
2000-06-30	11471
2000-09-30	10525
2000-12-31	12498
2001-03-31	13926
2001-06-30	14212
2001-09-30	15656
2001-12-31	15902
2002-03-31	17892
2002-06-30	17801
2002-09-30	20242
2002-12-31	22360
2003-03-31	28105
2003-06-30	30318
2003-09-30	33341
2003-12-31	36698
2004-03-31	52858
2004-06-30	55604
2004-09-30	60801