Quarter	US dollars
1999-09-30	1268
1999-12-31	1698
2000-03-31	2077
2000-06-30	2079
2000-09-30	2331
2000-12-31	2299
2001-03-31	2020
2001-06-30	1841
2001-09-30	1827
2001-12-31	2096
2002-03-31	3257
2002-06-30	4646
2002-09-30	4361
2002-12-31	4901
2003-03-31	3171
2003-06-30	3259
2003-09-30	2775
2003-12-31	2908
2004-03-31	4075
2004-06-30	3502
2004-09-30	5175