Year	Percent Change
1970-01-01	4.262938272014010
1971-01-01	6.272222027815800
1972-01-01	6.732761150459000
1973-01-01	9.453760213389230
1974-01-01	10.160866185768200
1975-01-01	3.746894931197930
1976-01-01	5.168811639174700
1977-01-01	0.679996257029454
1978-01-01	4.837670737941610
1979-01-01	3.492490748411750
1980-01-01	2.566532350374620
1981-01-01	3.422022189814360
1982-01-01	8.161531277868410
1983-01-01	-1.324707992558620
1984-01-01	-2.431271225533730
1985-01-01	0.796043676574762
1986-01-01	5.715353292725100
1987-01-01	2.005036513809370
1988-01-01	-0.395335384214906
1989-01-01	-0.565674287566356
1990-01-01	1.626855342323520
1991-01-01	2.582918863148540
1992-01-01	2.682729458938950
1993-01-01	0.505423797425705
1994-01-01	-1.571644133149720
1995-01-01	-0.917062852768945
1996-01-01	-0.223813400996708
1997-01-01	2.257639925251740
1998-01-01	1.620992574995900
1999-01-01	0.614176817404995
2000-01-01	0.249080798764706
2001-01-01	1.265730820921800
2002-01-01	1.398877458178600
2003-01-01	1.007084956900690
2004-01-01	-1.389035064068660
2005-01-01	-0.709780630936817
2006-01-01	-0.316804737111731
2007-01-01	1.516563133826550
2008-01-01	2.362527571972860
2009-01-01	2.780247081055270
2010-01-01	-1.384761901041210