Quarter	US dollars
1999-09-30	11340
1999-12-31	9903
2000-03-31	10972
2000-06-30	13945
2000-09-30	12449
2000-12-31	12673
2001-03-31	13429
2001-06-30	13724
2001-09-30	14164
2001-12-31	15125
2002-03-31	19198
2002-06-30	18708
2002-09-30	18731
2002-12-31	17734
2003-03-31	19802
2003-06-30	22554
2003-09-30	19723
2003-12-31	18184
2004-03-31	18261
2004-06-30	20825
2004-09-30	21792