Quarter	US dollars
1999-09-30	589
1999-12-31	279
2000-03-31	297
2000-06-30	286
2000-09-30	713
2000-12-31	821
2001-03-31	661
2001-06-30	591
2001-09-30	578
2001-12-31	403
2002-03-31	352
2002-06-30	293
2002-09-30	379
2002-12-31	274
2003-03-31	296
2003-06-30	289
2003-09-30	241
2003-12-31	192
2004-03-31	160
2004-06-30	261
2004-09-30	130