Year	Percent Change
1971-01-01	11.110220383115900
1972-01-01	3.998779992567490
1973-01-01	8.953987503707460
1974-01-01	3.669686609862350
1975-01-01	10.857731986602700
1976-01-01	6.634027646924530
1977-01-01	8.485932487057800
1978-01-01	6.550103079666130
1979-01-01	-3.311624755828540
1980-01-01	6.021482262526850
1981-01-01	10.601034618243900
1982-01-01	12.373758107865700
1983-01-01	6.032330810815980
1984-01-01	1.167342450364480
1985-01-01	0.975125061090729
1986-01-01	8.731623068119820
1987-01-01	9.512931473232560
1988-01-01	7.034018538208320
1989-01-01	1.595660304527320
1990-01-01	-0.780819490997508
1991-01-01	1.994784975398020
1992-01-01	1.428929485255770
1993-01-01	-2.370843346622620
1994-01-01	-1.802931937730760
1995-01-01	-0.946320309783156
1996-01-01	-2.802144474834380
1997-01-01	-1.173089578213430
1998-01-01	2.791193966840440
1999-01-01	3.161489230002320
2000-01-01	1.849126233506630
2001-01-01	2.085229714421600
2002-01-01	2.046168988356630
2003-01-01	-0.300614428406113
2004-01-01	-1.300056361402250
2005-01-01	-0.254567716520383
2006-01-01	-4.462068884629690
2007-01-01	4.697903740164510
2008-01-01	6.077807461085910
2009-01-01	3.831045065337340
2010-01-01	1.083655196917430