1967.0000000;-0.8454708
1968.0000000;0.0229992
1969.0000000;-0.6107885
1970.0000000;-1.0402517
1971.0000000;-1.0803311
1972.0000000;-0.2760308
1973.0000000;-1.6967533
1974.0000000;-1.0885830
1975.0000000;-0.4945948
1976.0000000;-1.2108591
1977.0000000;0.5241881
1978.0000000;0.4457657
1979.0000000;-0.2672231
1980.0000000;0.2866121
1981.0000000;-0.0478192
1982.0000000;-0.2955351
1983.0000000;-0.2885034
1984.0000000;0.2346809
1985.0000000;-0.4560181
1986.0000000;-1.3922071
1987.0000000;-0.6149615
1988.0000000;-0.1838987
1989.0000000;-1.4115255
1990.0000000;-1.2917249
1991.0000000;-0.7015681
1992.0000000;-0.6850792
1993.0000000;-0.6103719
1994.0000000;-0.6399009
1995.0000000;0.3311444
1996.0000000;-0.1398834
1997.0000000;-1.0172334
1998.0000000;-1.7044427
1999.0000000;-0.8918144
2000.0000000;-1.3138644
2001.0000000;0.4516872
2002.0000000;-1.3863816
2003.0000000;-3.0034862