Quarter	US dollars
1999-09-30	27700
1999-12-31	29985
2000-03-31	30917
2000-06-30	33215
2000-09-30	31396
2000-12-31	35672
2001-03-31	33049
2001-06-30	33926
2001-09-30	32503
2001-12-31	31253
2002-03-31	30074
2002-06-30	32490
2002-09-30	35262
2002-12-31	34307
2003-03-31	37828
2003-06-30	34691
2003-09-30	38802
2003-12-31	40969
2004-03-31	48585
2004-06-30	41958
2004-09-30	51606