Year	Percent Change
1970-01-01	7.4809152380941200
1971-01-01	10.0757216744217000
1972-01-01	9.4833534392583400
1973-01-01	9.3955888736143900
1974-01-01	11.4197761792042000
1975-01-01	12.9650173246345000
1976-01-01	5.9344323306149700
1977-01-01	6.9239115502264200
1978-01-01	5.9051233838178200
1979-01-01	5.4539385327288900
1980-01-01	3.3945278726350400
1981-01-01	2.7916702225474800
1982-01-01	4.8158430644939200
1983-01-01	-0.3864317198524990
1984-01-01	-2.7066882925183300
1985-01-01	1.1378355766138500
1986-01-01	2.1409276854898600
1987-01-01	0.6575944251489080
1988-01-01	-0.7464301440937800
1989-01-01	-0.9732786684964200
1990-01-01	1.9253762046303400
1991-01-01	3.2835764050825500
1992-01-01	4.4221353027405900
1993-01-01	2.2204304863485700
1994-01-01	-0.0600009755161982
1995-01-01	0.5214074176878440
1996-01-01	1.2730981487720900
1997-01-01	1.0415609465550700
1998-01-01	2.4646356695206000
1999-01-01	2.2483728832849400
2000-01-01	3.0097723245032800
2001-01-01	4.6655678755963800
2002-01-01	4.1405659973224400
2003-01-01	2.3566561905976500
2004-01-01	0.4560359965171970
2005-01-01	-0.4050992906843750
2006-01-01	0.7364710252428800
2007-01-01	1.6617749222743200
2008-01-01	2.2300522456924600
2009-01-01	2.6498371526559200
2010-01-01	0.6933432978233940