1967.0000000;-0.9924557
1968.0000000;0.5238999
1969.0000000;-0.5371025
1970.0000000;-0.8263970
1971.0000000;-0.5874774
1972.0000000;0.0719027
1973.0000000;-1.4494727
1974.0000000;-1.1121860
1975.0000000;-0.4157784
1976.0000000;-1.0249226
1977.0000000;0.6215044
1978.0000000;0.4922146
1979.0000000;-0.1385797
1980.0000000;0.1299950
1981.0000000;-0.9709554
1982.0000000;-0.5939438
1983.0000000;-0.3638261
1984.0000000;0.1545359
1985.0000000;-0.9138725
1986.0000000;-1.2804840
1987.0000000;-0.8208278
1988.0000000;-0.2347329
1989.0000000;-1.5094764
1990.0000000;-1.1479164
1991.0000000;-1.1653470
1992.0000000;-0.6949846
1993.0000000;-0.8621781
1994.0000000;-0.2048283
1995.0000000;0.2049046
1996.0000000;-0.1658248
1997.0000000;-0.6253320
1998.0000000;-1.6732540
1999.0000000;-0.9284601
2000.0000000;-1.1774930
2001.0000000;0.2110714
2002.0000000;-0.9501301
2003.0000000;-2.5643747
2004.0000000;-1.9400867
2005.0000000;-2.1367884
2006.0000000;-1.8832395
2007.0000000;-1.8195747
2008.0000000;-0.9246924
2009.0000000;-2.0864964
2010.0000000;-0.8121942
2011.0000000;-2.3873880
2012.0000000;-1.9540832
2013.0000000;-0.8009391
2014.0000000;-0.9094498
2015.0000000;-2.1554732