1967.0000000;-0.2111231
1968.0000000;0.3579278
1969.0000000;-0.7395055
1970.0000000;-0.4240632
1971.0000000;-1.0016015
1972.0000000;-0.6696784
1973.0000000;-0.7731051
1974.0000000;-0.7903833
1975.0000000;-0.2580107
1976.0000000;-1.4362280
1977.0000000;0.4838747
1978.0000000;0.4712825
1979.0000000;0.2056061
1980.0000000;0.8428258
1981.0000000;0.2598915
1982.0000000;-0.1413205
1983.0000000;-0.0154060
1984.0000000;1.1035280
1985.0000000;0.8685382
1986.0000000;-1.2750100
1987.0000000;0.7220500
1988.0000000;0.4383356
1989.0000000;-0.6362438
1990.0000000;-1.5625064
1991.0000000;-1.0530308
1992.0000000;-0.8897738
1993.0000000;-0.5247138
1994.0000000;-0.0655987
1995.0000000;1.0528857
1996.0000000;-0.1393234
1997.0000000;-0.6895899
1998.0000000;-1.5236826
1999.0000000;-0.5290706
2000.0000000;-0.9989223
2001.0000000;0.5799918
2002.0000000;-0.8023030
2003.0000000;-2.7409258
2004.0000000;-1.7157025
2005.0000000;-1.9896932
2006.0000000;-1.0760579
2007.0000000;-1.0177131
2008.0000000;-1.4813560
2009.0000000;-2.8635397
2010.0000000;-0.9151545
2011.0000000;-2.8110845
2012.0000000;-2.6122572
2013.0000000;-1.3125658
2014.0000000;-1.2645693
2015.0000000;-2.6755700