Quarter	US dollars
1999-09-30	16144
1999-12-31	15194
2000-03-31	14760
2000-06-30	14491
2000-09-30	14374
2000-12-31	16237
2001-03-31	15785
2001-06-30	15260
2001-09-30	16834
2001-12-31	17271
2002-03-31	14855
2002-06-30	15153
2002-09-30	15145
2002-12-31	15625
2003-03-31	16098
2003-06-30	16092
2003-09-30	16028
2003-12-31	17269
2004-03-31	18941
2004-06-30	18360
2004-09-30	22049