Quarter	US dollars
1999-09-30	2281
1999-12-31	2808
2000-03-31	3900
2000-06-30	2748
2000-09-30	3119
2000-12-31	2994
2001-03-31	2690
2001-06-30	2643
2001-09-30	2562
2001-12-31	2278
2002-03-31	2585
2002-06-30	3049
2002-09-30	3126
2002-12-31	3179
2003-03-31	3166
2003-06-30	2548
2003-09-30	3954
2003-12-31	4276
2004-03-31	5631
2004-06-30	3927
2004-09-30	5325