Year	Percent Change at Annual Rate
1960-01-01	1.99392840634543000
1961-01-01	0.66838287441040500
1962-01-01	0.67662298967001700
1963-01-01	0.72955324223165300
1964-01-01	0.82262369986776500
1965-01-01	0.84210861686626900
1966-01-01	0.77730440730804000
1967-01-01	0.72377817276765400
1968-01-01	0.63173725275278100
1969-01-01	0.56605850865814000
1970-01-01	0.52887703171783500
1971-01-01	0.46645287231401800
1972-01-01	0.56771249864575900
1973-01-01	0.67818764758597500
1974-01-01	0.65438893564837400
1975-01-01	0.59724721855480100
1976-01-01	0.49885105834073100
1977-01-01	0.42472205735014800
1978-01-01	0.35631295036612800
1979-01-01	0.28914720764973800
1980-01-01	0.20599975185947000
1981-01-01	0.12005432007943000
1982-01-01	0.07408185999161880
1983-01-01	0.03629463666971590
1984-01-01	0.02235091310414640
1985-01-01	0.02889993921224770
1986-01-01	0.00544928189677628
1987-01-01	0.01020511955477410
1988-01-01	0.04832059704717550
1989-01-01	0.07500900453524370
1990-01-01	0.08370857295879840
1991-01-01	0.06923118895328430
1992-01-01	0.06792443308088080
1993-01-01	0.06113585300292400
1994-01-01	0.02037207394571940
1995-01-01	0.00158856230917393
1996-01-01	0.02810440800727560
1997-01-01	0.05290695026061000
1998-01-01	0.02877401587743720
1999-01-01	0.01682084445536970
2000-01-01	0.04530363113861300
2001-01-01	0.05616760143747840
2002-01-01	0.14891642949075300
2003-01-01	0.44450731265554900
2004-01-01	0.64718270547077200
2005-01-01	0.49138910750321400
2006-01-01	0.30055968851778000
2007-01-01	0.50493368739767300
2008-01-01	0.66246925294152700
2009-01-01	0.45561344957773200
2010-01-01	0.30759122234095000
2011-01-01	0.17197829099571700
2012-01-01	0.26954123952099600
2013-01-01	1.15925111680950000
2014-01-01	0.91750409596243700
2015-01-01	-0.09637613313920950
2016-01-01	-0.16988407330144800
2017-01-01	-0.12556971751210400