Quarter	US dollars
1999-09-30	6718
1999-12-31	6797
2000-03-31	7676
2000-06-30	8808
2000-09-30	6222
2000-12-31	7024
2001-03-31	6372
2001-06-30	6933
2001-09-30	9546
2001-12-31	10055
2002-03-31	10333
2002-06-30	13363
2002-09-30	13964
2002-12-31	15429
2003-03-31	18480
2003-06-30	12196
2003-09-30	11902
2003-12-31	14630
2004-03-31	18449
2004-06-30	28107
2004-09-30	33226