1967.0000000;-1.4661266
1968.0000000;0.1345241
1969.0000000;-0.6335091
1970.0000000;-1.0672029
1971.0000000;-1.1554358
1972.0000000;-0.2822103
1973.0000000;-1.7149097
1974.0000000;-1.4789882
1975.0000000;0.0326175
1976.0000000;-1.5108755
1977.0000000;0.6226647
1978.0000000;0.6134554
1979.0000000;-0.6369684
1980.0000000;0.3817545
1981.0000000;-0.2033759
1982.0000000;-0.3273948
1983.0000000;-0.6377938
1984.0000000;0.5584694
1985.0000000;-0.7443027
1986.0000000;-1.4641395
1987.0000000;-0.4644897
1988.0000000;0.0443061
1989.0000000;-1.7198405
1990.0000000;-1.8158431
1991.0000000;-1.1989706
1992.0000000;-0.9388101
1993.0000000;-0.7670893
1994.0000000;-0.3458896
1995.0000000;0.4074641
1996.0000000;-0.8694295
1997.0000000;-0.8234416
1998.0000000;-1.8572072
1999.0000000;-0.7365087
2000.0000000;-1.0539933
2001.0000000;0.5488340
2002.0000000;-1.3132662
2003.0000000;-2.7511687
2004.0000000;-2.2380369
2005.0000000;-2.3304110
2006.0000000;-2.1152723
2007.0000000;-1.9688522
2008.0000000;-1.3602376
2009.0000000;-2.4257445
2010.0000000;-1.0390819
2011.0000000;-2.4665563
2012.0000000;-2.2320161
2013.0000000;-0.8026786
2014.0000000;-1.1391466
2015.0000000;-2.4608362