Quarter	US dollars
1999-09-30	1579
1999-12-31	1654
2000-03-31	1563
2000-06-30	1676
2000-09-30	2056
2000-12-31	2136
2001-03-31	1764
2001-06-30	1733
2001-09-30	1724
2001-12-31	1639
2002-03-31	1510
2002-06-30	1541
2002-09-30	1593
2002-12-31	1790
2003-03-31	1686
2003-06-30	2168
2003-09-30	2451
2003-12-31	3273
2004-03-31	2970
2004-06-30	2976
2004-09-30	3058