Quarter	US dollars
1999-09-30	4047
1999-12-31	3690
2000-03-31	4328
2000-06-30	5374
2000-09-30	7808
2000-12-31	9209
2001-03-31	11878
2001-06-30	14293
2001-09-30	16722
2001-12-31	19007
2002-03-31	21025
2002-06-30	25050
2002-09-30	24027
2002-12-31	24363
2003-03-31	22613
2003-06-30	22076
2003-09-30	18786
2003-12-31	21432
2004-03-31	21827
2004-06-30	26170
2004-09-30	25963