Quarter	US dollars
1999-09-30	1107
1999-12-31	1385
2000-03-31	1699
2000-06-30	1958
2000-09-30	2322
2000-12-31	1999
2001-03-31	1911
2001-06-30	2363
2001-09-30	2455
2001-12-31	2068
2002-03-31	2586
2002-06-30	3467
2002-09-30	4354
2002-12-31	4249
2003-03-31	4546
2003-06-30	4888
2003-09-30	5129
2003-12-31	5252
2004-03-31	6082
2004-06-30	6177
2004-09-30	6416