1967.0000000;-0.5992674
1968.0000000;0.0131256
1969.0000000;-0.3665138
1970.0000000;-0.7008969
1971.0000000;-0.7250003
1972.0000000;-0.2138087
1973.0000000;-1.3782215
1974.0000000;-0.7829762
1975.0000000;-0.3589317
1976.0000000;-1.0255456
1977.0000000;0.3674557
1978.0000000;0.5299322
1979.0000000;-0.1050944
1980.0000000;0.3093334
1981.0000000;0.0685112
1982.0000000;-0.1868051
1983.0000000;-0.1992842
1984.0000000;0.2804656
1985.0000000;-0.2685158
1986.0000000;-1.3253040
1987.0000000;-0.3853757
1988.0000000;0.0360972
1989.0000000;-1.2231789
1990.0000000;-1.0573833
1991.0000000;-0.6071269
1992.0000000;-0.4989370
1993.0000000;-0.5396103
1994.0000000;-0.4699188
1995.0000000;0.4933126
1996.0000000;-0.0659864
1997.0000000;-0.7747089
1998.0000000;-1.4716517
1999.0000000;-0.7724048
2000.0000000;-1.0603352
2001.0000000;0.3197881
2002.0000000;-1.2060213
2003.0000000;-2.8824477
2004.0000000;-1.5998294
2005.0000000;-2.0766237
2006.0000000;-1.8530580
2007.0000000;-1.3245566
2008.0000000;-1.1182120
2009.0000000;-2.2901337
2010.0000000;-0.5951763
2011.0000000;-2.2870314
2012.0000000;-1.8988494
2013.0000000;-0.5703881
2014.0000000;-0.8172783
2015.0000000;-2.3266230