Year	Percent Change
1971-01-01	8.852994325196170
1972-01-01	5.201593575367990
1973-01-01	6.583648958236400
1974-01-01	8.710853045406440
1975-01-01	5.309059874991260
1976-01-01	1.746509287747680
1977-01-01	4.611503511145360
1978-01-01	4.868412781204050
1979-01-01	3.406308032359060
1980-01-01	8.672541481769960
1981-01-01	4.560847557088740
1982-01-01	4.085927678863450
1983-01-01	0.984683209014464
1984-01-01	1.007919740689940
1985-01-01	0.715317366637761
1986-01-01	5.475452170266600
1987-01-01	5.428740675240730
1988-01-01	0.139905625765190
1989-01-01	-0.512464859710175
1990-01-01	3.865633304574870
1991-01-01	3.083551351702450
1992-01-01	8.223888773271660
1993-01-01	4.610380629908150
1994-01-01	-2.312341602706840
1995-01-01	3.315625498815300
1996-01-01	2.187416047673740
1997-01-01	-3.645356957611490
1998-01-01	0.663295916370186
1999-01-01	0.129659542589512
2000-01-01	-1.958352169117830
2001-01-01	0.662298265426675
2002-01-01	1.430717618088120
2003-01-01	-1.170986754516460
2004-01-01	-2.924605314921670
2005-01-01	-3.373566377824410
2006-01-01	-3.777340484797320
2007-01-01	-1.427760054639900
2008-01-01	5.695550967765610
2009-01-01	5.659901142689160
2010-01-01	-0.731680888953710