1967.0000000;-0.9947883
1968.0000000;-0.6064953
1969.0000000;-0.9277377
1970.0000000;-1.2670445
1971.0000000;-1.0772586
1972.0000000;-0.5052696
1973.0000000;-1.9704138
1974.0000000;-1.0127261
1975.0000000;-0.6283927
1976.0000000;-1.1685429
1977.0000000;0.4291058
1978.0000000;0.3910056
1979.0000000;-0.2964826
1980.0000000;0.2682784
1981.0000000;-0.1153704
1982.0000000;-0.3707242
1983.0000000;-0.3796377
1984.0000000;0.2767220
1985.0000000;-0.6047471
1986.0000000;-1.6515543
1987.0000000;-0.5955625
1988.0000000;-0.3171566
1989.0000000;-1.5786860
1990.0000000;-1.4171002
1991.0000000;-0.7335180
1992.0000000;-0.7501419
1993.0000000;-0.6338184
1994.0000000;-0.8250189
1995.0000000;0.3318048
1996.0000000;-0.3215543
1997.0000000;-1.4155037
1998.0000000;-1.8679022
1999.0000000;-1.0605681
2000.0000000;-1.3750508
2001.0000000;0.4191670
2002.0000000;-1.5888981
2003.0000000;-3.2765064