1967.0000000;-1.2477789
1968.0000000;0.6596303
1969.0000000;-0.3269664
1970.0000000;-0.4677782
1971.0000000;-0.9263331
1972.0000000;0.2472781
1973.0000000;-0.9045296
1974.0000000;-0.6415482
1975.0000000;0.2549634
1976.0000000;-1.0180327
1977.0000000;0.2898314
1978.0000000;0.3576198
1979.0000000;-0.6543890
1980.0000000;-0.1258893
1981.0000000;-0.3187829
1982.0000000;-0.7333013
1983.0000000;-0.2783908
1984.0000000;0.9673763
1985.0000000;-0.2549500
1986.0000000;-1.3024095
1987.0000000;-0.4281141
1988.0000000;0.1477185
1989.0000000;-1.5602486
1990.0000000;-0.7732978
1991.0000000;-1.1737279
1992.0000000;-0.6847114
1993.0000000;-0.5431669
1994.0000000;-0.3427106
1995.0000000;0.5557189
1996.0000000;-0.0987636
1997.0000000;-0.2360371
1998.0000000;-1.5153489
1999.0000000;-0.4875425
2000.0000000;-0.9184446
2001.0000000;0.6744931
2002.0000000;0.1736898
2003.0000000;-2.3459728
2004.0000000;-2.1421564
2005.0000000;-2.1468501
2006.0000000;-1.7436326
2007.0000000;-0.9658500
2008.0000000;-0.9620745
2009.0000000;-1.9645693
2010.0000000;-0.6467378
2011.0000000;-2.0866354
2012.0000000;-1.9048507
2013.0000000;-0.4630061
2014.0000000;-0.7734017
2015.0000000;-1.6794814