Quarter	US dollars
1999-09-30	1904
1999-12-31	2476
2000-03-31	2136
2000-06-30	1764
2000-09-30	1762
2000-12-31	1939
2001-03-31	2215
2001-06-30	2570
2001-09-30	2370
2001-12-31	2338
2002-03-31	2585
2002-06-30	2812
2002-09-30	2950
2002-12-31	3193
2003-03-31	2899
2003-06-30	3178
2003-09-30	2799
2003-12-31	3015
2004-03-31	2794
2004-06-30	2276
2004-09-30	2812