Year	Percent Change
1972-01-01	4.238930160228280
1973-01-01	7.982795522188410
1974-01-01	17.110165294791200
1975-01-01	16.277747370833300
1976-01-01	9.470075980183180
1977-01-01	7.841082028380050
1978-01-01	5.627450428046030
1979-01-01	4.669424137114620
1980-01-01	11.675832961116700
1981-01-01	14.497572182374000
1982-01-01	12.504673200557600
1983-01-01	5.765424278648250
1984-01-01	0.991412770274610
1985-01-01	-0.795721999948128
1986-01-01	7.237955417507750
1987-01-01	-1.229083572638670
1988-01-01	0.122979364254684
1989-01-01	5.972405620061890
1990-01-01	1.405481654806570
1991-01-01	-1.740779926674280
1992-01-01	2.106526107515790
1993-01-01	-1.965266747456560
1994-01-01	-2.117193357598350
1995-01-01	4.712115006877440
1996-01-01	1.596650523089230
1997-01-01	-0.143362846920602
1998-01-01	-1.515479804295690
1999-01-01	0.432634746132954
2000-01-01	-0.849858395183406
2001-01-01	1.836394592895270
2002-01-01	3.463707665025000
2003-01-01	3.800673185583120
2004-01-01	2.755293910176690
2005-01-01	7.211116461337210
2006-01-01	4.519838535069790
2007-01-01	4.183843259346860
2008-01-01	6.198421503334500
2009-01-01	1.116499591901120
2010-01-01	-0.282967226521526