Year	Percent Change at Annual Rate
1960-01-01	0.510799364664575000
1961-01-01	0.548472356417754000
1962-01-01	0.612895847822874000
1963-01-01	0.642362670652079000
1964-01-01	0.666548205291217000
1965-01-01	0.649729875576735000
1966-01-01	0.701396116235274000
1967-01-01	0.747425220117069000
1968-01-01	0.519254261579197000
1969-01-01	0.345331646244521000
1970-01-01	0.349218946276921000
1971-01-01	0.446245581370136000
1972-01-01	0.581190352265189000
1973-01-01	0.554041398958361000
1974-01-01	0.170205767697282000
1975-01-01	-0.265319410736808000
1976-01-01	-0.176672284747108000
1977-01-01	0.038390493901691800
1978-01-01	-0.080961041675265000
1979-01-01	-0.170463648025429000
1980-01-01	0.000105968279182431
1981-01-01	0.255018231368981000
1982-01-01	0.071717018034723900
1983-01-01	-0.161600981253917000
1984-01-01	-0.006294904092066240
1985-01-01	0.046950967908943900
1986-01-01	0.063548997469243100
1987-01-01	0.063284203908375400
1988-01-01	0.141570850318539000
1989-01-01	0.450513899730364000
1990-01-01	0.762001611316115000
1991-01-01	0.998418103144403000
1992-01-01	1.100552286528230000
1993-01-01	0.824627940995206000
1994-01-01	0.384869546678302000
1995-01-01	0.153106260702748000
1996-01-01	0.135019833748789000
1997-01-01	0.113316608322994000
1998-01-01	0.109728368100981000
1999-01-01	0.194563153264961000
2000-01-01	0.240466652446524000
2001-01-01	0.382799394483217000
2002-01-01	0.491980464255220000
2003-01-01	0.487133894826838000
2004-01-01	0.620413127334181000
2005-01-01	0.681267248299787000
2006-01-01	0.494797775098466000
2007-01-01	0.324146535285463000
2008-01-01	0.313041437661508000
2009-01-01	0.261953189906348000
2010-01-01	0.240394299500766000
2011-01-01	0.337080841831645000
2012-01-01	0.455937472318910000
2013-01-01	0.589387254692989000
2014-01-01	0.781541632525841000
2015-01-01	1.120992502369580000
2016-01-01	1.081396298728020000
2017-01-01	0.826911085320376000