Quarter	US dollars
1999-09-30	118363
1999-12-31	122539
2000-03-31	120565
2000-06-30	125143
2000-09-30	129852
2000-12-31	133411
2001-03-31	132773
2001-06-30	135281
2001-09-30	135781
2001-12-31	134978
2002-03-31	133520
2002-06-30	138856
2002-09-30	137868
2002-12-31	137407
2003-03-31	139899
2003-06-30	143436
2003-09-30	146990
2003-12-31	157094
2004-03-31	160320
2004-06-30	155641
2004-09-30	156958