1967.0000000;-1.1876142
1968.0000000;0.5191491
1969.0000000;-0.2392392
1970.0000000;-0.8785946
1971.0000000;-0.8693551
1972.0000000;-0.0329248
1973.0000000;-1.1347997
1974.0000000;-0.8702558
1975.0000000;0.0949930
1976.0000000;-0.9114190
1977.0000000;0.5733230
1978.0000000;0.4046071
1979.0000000;-0.5229813
1980.0000000;0.0302774
1981.0000000;-0.5254549
1982.0000000;-0.4435970
1983.0000000;-0.3117038
1984.0000000;0.4623255
1985.0000000;-0.5676959
1986.0000000;-1.2494254
1987.0000000;-0.5732527
1988.0000000;-0.1898927
1989.0000000;-1.5682862
1990.0000000;-0.7366326
1991.0000000;-0.9808896
1992.0000000;-0.8532953
1993.0000000;-0.6456274
1994.0000000;-0.3143509
1995.0000000;0.2747616
1996.0000000;-0.1877744
1997.0000000;-0.3771746
1998.0000000;-1.4611449
1999.0000000;-0.5649872
2000.0000000;-0.9013845
2001.0000000;0.5952916
2002.0000000;-0.5959785
2003.0000000;-2.4470050