1967.0000000;-1.1118529
1968.0000000;1.1634767
1969.0000000;-0.2237706
1970.0000000;-0.4018906
1971.0000000;-0.8364828
1972.0000000;0.3352235
1973.0000000;-0.7596507
1974.0000000;-0.5150813
1975.0000000;0.4311684
1976.0000000;-0.8863550
1977.0000000;0.3191441
1978.0000000;0.2245671
1979.0000000;-0.5643997
1980.0000000;-0.2294674
1981.0000000;-0.2327708
1982.0000000;-0.6130582
1983.0000000;-0.1052935
1984.0000000;1.1037438
1985.0000000;-0.0841337
1986.0000000;-1.3107574
1987.0000000;-0.1731815
1988.0000000;0.0545299
1989.0000000;-1.5664113
1990.0000000;-0.4057792
1991.0000000;-0.9659999
1992.0000000;-0.7396196
1993.0000000;-0.4216785
1994.0000000;-0.1244540
1995.0000000;0.6926689
1996.0000000;-0.0172348
1997.0000000;-0.0216409
1998.0000000;-1.4018638
1999.0000000;-0.1988919
2000.0000000;-0.7725397
2001.0000000;0.6715425
2002.0000000;0.2948519
2003.0000000;-2.2592835
2004.0000000;-2.1557209
2005.0000000;-2.1894360
2006.0000000;-1.6437600
2007.0000000;-0.7436228
2008.0000000;-0.8363136
2009.0000000;-1.9106909
2010.0000000;-0.5040252
2011.0000000;-2.0572941
2012.0000000;-1.9087569
2013.0000000;-0.3334201
2014.0000000;-0.6819383
2015.0000000;-1.5613123