1967.0000000;-1.2213144
1968.0000000;0.2000649
1969.0000000;-0.3947665
1970.0000000;-0.9281780
1971.0000000;-1.0029079
1972.0000000;-0.1207126
1973.0000000;-1.3021362
1974.0000000;-1.2973766
1975.0000000;0.0372526
1976.0000000;-1.2370658
1977.0000000;0.5957747
1978.0000000;0.5068687
1979.0000000;-0.6446172
1980.0000000;0.2148396
1981.0000000;-0.3015026
1982.0000000;-0.3556809
1983.0000000;-0.5359513
1984.0000000;0.4424631
1985.0000000;-0.6542332
1986.0000000;-1.3038734
1987.0000000;-0.5424620
1988.0000000;-0.0596445
1989.0000000;-1.6346240
1990.0000000;-1.1009958
1991.0000000;-1.0362262
1992.0000000;-0.8669691
1993.0000000;-0.7054698
1994.0000000;-0.3469449
1995.0000000;0.2983573
1996.0000000;-0.4133857
1997.0000000;-0.6001278
1998.0000000;-1.6038210
1999.0000000;-0.6723435
2000.0000000;-0.9058403
2001.0000000;0.5889676
2002.0000000;-0.8053512
2003.0000000;-2.5225499
2004.0000000;-2.0697737
2005.0000000;-2.1597643
2006.0000000;-1.8955010
2007.0000000;-1.6177053
2008.0000000;-1.1469543
2009.0000000;-2.2241817
2010.0000000;-0.9005357
2011.0000000;-2.3144064
2012.0000000;-2.0308642
2013.0000000;-0.7326381
2014.0000000;-1.1085839
2015.0000000;-2.2853971