Year	Percent Change at Annual Rate
1960-01-01	1.9178884632819600
1961-01-01	2.0607950119401600
1962-01-01	2.1788313244281000
1963-01-01	2.2292345199001500
1964-01-01	2.1914089750226200
1965-01-01	2.0940618148992600
1966-01-01	1.9735843918077900
1967-01-01	1.8702905548229000
1968-01-01	1.7963202999479000
1969-01-01	1.7656138388664900
1970-01-01	1.7586657849725800
1971-01-01	1.7610606998895500
1972-01-01	1.7361345195174800
1973-01-01	1.6565302104587500
1974-01-01	1.5068999425054500
1975-01-01	1.3124877970190000
1976-01-01	1.1150155031971000
1977-01-01	0.9428009872266950
1978-01-01	0.7930540324316750
1979-01-01	0.6762720141893320
1980-01-01	0.5903099094764070
1981-01-01	0.4973389245182620
1982-01-01	0.4180757510176080
1983-01-01	0.4133251840670350
1984-01-01	0.5036692374525490
1985-01-01	0.6560206866024790
1986-01-01	0.8404343640137800
1987-01-01	0.9930771310341750
1988-01-01	1.0652470094428400
1989-01-01	1.0252242373724900
1990-01-01	0.9072525076338050
1991-01-01	0.7672567179867590
1992-01-01	0.6522261713422080
1993-01-01	0.5646003212955920
1994-01-01	0.5216064517143340
1995-01-01	0.5098043696198000
1996-01-01	0.5027573743722550
1997-01-01	0.4821034325386740
1998-01-01	0.4539714147843240
1999-01-01	0.4140602190639130
2000-01-01	0.3659541008764030
2001-01-01	0.3205943953248330
2002-01-01	0.2808004151740230
2003-01-01	0.2393905790303130
2004-01-01	0.1959504045321650
2005-01-01	0.1535351378805370
2006-01-01	0.1061093293035710
2007-01-01	0.0659648376657252
2008-01-01	0.0536583542997234
2009-01-01	0.0782027686936515
2010-01-01	0.1275756957756010
2011-01-01	0.1904115853265480
2012-01-01	0.2418547643484940
2013-01-01	0.2634079593280910
2014-01-01	0.2415551648297800
2015-01-01	0.1892041238807340
2016-01-01	0.1268669776945880
2017-01-01	0.0753812498408372