1967.0000000;-0.7536275
1968.0000000;0.5539974
1969.0000000;-0.0884681
1970.0000000;-0.1652204
1971.0000000;-0.8078085
1972.0000000;-0.1100457
1973.0000000;-0.3768657
1974.0000000;-0.6221238
1975.0000000;0.2380495
1976.0000000;-0.9941237
1977.0000000;0.4657818
1978.0000000;0.4045037
1979.0000000;-0.2954459
1980.0000000;0.3040748
1981.0000000;-0.3214992
1982.0000000;-0.3389034
1983.0000000;-0.2808261
1984.0000000;0.7628804
1985.0000000;-0.0607343
1986.0000000;-1.3282956
1987.0000000;-0.5408788
1988.0000000;-0.1725488
1989.0000000;-1.4325550
1990.0000000;-0.7688102
1991.0000000;-0.8069913
1992.0000000;-1.1867387
1993.0000000;-0.7080929
1994.0000000;-0.3637813
1995.0000000;0.5450284
1996.0000000;-0.0165965
1997.0000000;-0.5750112
1998.0000000;-1.5199859
1999.0000000;-0.6081575
2000.0000000;-1.1414206
2001.0000000;0.4268531
2002.0000000;-0.8960167
2003.0000000;-2.4149802