Quarter	US dollars
1999-09-30	1505
1999-12-31	1480
2000-03-31	2530
2000-06-30	1899
2000-09-30	2107
2000-12-31	2099
2001-03-31	2305
2001-06-30	1822
2001-09-30	1823
2001-12-31	2100
2002-03-31	2051
2002-06-30	2096
2002-09-30	1757
2002-12-31	2926
2003-03-31	2946
2003-06-30	2919
2003-09-30	2574
2003-12-31	2922
2004-03-31	3490
2004-06-30	3185
2004-09-30	3601