Quarter	Thousands, Seasonally adjusted
1993-06-30	832
1993-09-30	-4448
1993-12-31	-1397
1994-03-31	1259
1994-06-30	4997
1994-09-30	-4380
1994-12-31	-1269
1995-03-31	2894
1995-06-30	1798
1995-09-30	-2510
1995-12-31	-2815
1996-03-31	2680
1996-06-30	3161
1996-09-30	-3609
1996-12-31	-3505
1997-03-31	1271
1997-06-30	2517
1997-09-30	123
1997-12-31	543
1998-03-31	-1296
1998-06-30	-51
1998-09-30	-781
1998-12-31	1350
1999-03-31	-1355
1999-06-30	1694
1999-09-30	-1565
1999-12-31	1113
2000-03-31	-868
2000-06-30	-277
2000-09-30	-911
2000-12-31	781
2001-03-31	-546
2001-06-30	138
2001-09-30	-2445
2001-12-31	2902
2002-03-31	-3798
2002-06-30	1291
2002-09-30	-915
2002-12-31	2119
2003-03-31	-1722
2003-06-30	811
2003-09-30	-910
2003-12-31	1250
2004-03-31	-1605
2004-06-30	1225
2004-09-30	-247
2004-12-31	-379
2005-03-31	-430
2005-06-30	1846
2005-09-30	-1051
2005-12-31	-885
2006-03-31	632
2006-06-30	1374
2006-09-30	-1368
2006-12-31	-1715
2007-03-31	1569
2007-06-30	1209
2007-09-30	-2000
2007-12-31	-246
2008-03-31	394
2008-06-30	604
2008-09-30	-345
2008-12-31	-127
2009-03-31	481
2009-06-30	-6
2009-09-30	-827
2009-12-31	-31