1967.0000000;-0.6644773
1968.0000000;0.1536379
1969.0000000;-0.3601063
1970.0000000;-0.6814244
1971.0000000;-0.7294852
1972.0000000;-0.0858907
1973.0000000;-1.4117333
1974.0000000;-0.8245046
1975.0000000;-0.3982131
1976.0000000;-0.9573804
1977.0000000;0.3976342
1978.0000000;0.4345884
1979.0000000;-0.2115640
1980.0000000;0.1788849
1981.0000000;-0.0307787
1982.0000000;-0.2680628
1983.0000000;-0.2458068
1984.0000000;0.1851172
1985.0000000;-0.3364478
1986.0000000;-1.2570522
1987.0000000;-0.4808746
1988.0000000;-0.0775803
1989.0000000;-1.1879702
1990.0000000;-0.9557103
1991.0000000;-0.6173862
1992.0000000;-0.5935343
1993.0000000;-0.5655631
1994.0000000;-0.5643429
1995.0000000;0.3100115
1996.0000000;-0.0031233
1997.0000000;-0.7079893
1998.0000000;-1.4828031
1999.0000000;-0.7198597
2000.0000000;-1.1246707
2001.0000000;0.5094948
2002.0000000;-0.9625468
2003.0000000;-2.7799475