Quarter	US dollars
1999-09-30	25047
1999-12-31	24981
2000-03-31	23767
2000-06-30	23649
2000-09-30	25702
2000-12-31	24185
2001-03-31	23838
2001-06-30	24185
2001-09-30	23254
2001-12-31	21266
2002-03-31	20491
2002-06-30	20842
2002-09-30	21672
2002-12-31	21853
2003-03-31	21990
2003-06-30	22376
2003-09-30	22482
2003-12-31	22227
2004-03-31	24315
2004-06-30	23819
2004-09-30	25576