1967.0000000;-0.3227026
1968.0000000;0.3219194
1969.0000000;-0.6395504
1970.0000000;-0.5452083
1971.0000000;-0.8003184
1972.0000000;-0.5953786
1973.0000000;-0.8798451
1974.0000000;-0.8575531
1975.0000000;-0.3203764
1976.0000000;-1.3127084
1977.0000000;0.3955321
1978.0000000;0.2758191
1979.0000000;-0.0050306
1980.0000000;0.6242339
1981.0000000;0.1109940
1982.0000000;-0.1772821
1983.0000000;-0.0961911
1984.0000000;0.9242021
1985.0000000;0.4137596
1986.0000000;-1.3526649
1987.0000000;0.2877882
1988.0000000;0.3458945
1989.0000000;-0.9820830
1990.0000000;-1.5679984
1991.0000000;-1.2093749
1992.0000000;-0.9993639
1993.0000000;-0.5736096
1994.0000000;-0.3981899
1995.0000000;0.8424869
1996.0000000;-0.0391382
1997.0000000;-0.6863512
1998.0000000;-1.5441778
1999.0000000;-0.6901197
2000.0000000;-1.1156951
2001.0000000;0.5928403
2002.0000000;-0.7048559
2003.0000000;-2.6761074
2004.0000000;-1.7732886
2005.0000000;-1.9126824
2006.0000000;-0.9184398
2007.0000000;-0.6850572
2008.0000000;-1.3629310
2009.0000000;-2.6495528
2010.0000000;-0.5333540
2011.0000000;-2.5228121
2012.0000000;-2.3895841
2013.0000000;-0.8216968
2014.0000000;-0.8273449
2015.0000000;-2.2790546