1967.0000000;-0.6187131
1968.0000000;0.0658156
1969.0000000;-0.3674750
1970.0000000;-0.0691483
1971.0000000;-1.2366130
1972.0000000;-0.2669773
1973.0000000;-0.8093670
1974.0000000;-0.8921674
1975.0000000;-0.0726182
1976.0000000;-1.4109900
1977.0000000;0.1322946
1978.0000000;0.4824660
1979.0000000;-0.3787988
1980.0000000;0.3946449
1981.0000000;-0.1953576
1982.0000000;-0.2763638
1983.0000000;-0.3669897
1984.0000000;0.7956267
1985.0000000;-0.0193863
1986.0000000;-1.5026745
1987.0000000;-0.4171823
1988.0000000;-0.3309750
1989.0000000;-1.2567213
1990.0000000;-1.3450549
1991.0000000;-0.9007443
1992.0000000;-1.4908285
1993.0000000;-0.7115287
1994.0000000;-0.5223542
1995.0000000;0.7007444
1996.0000000;-0.1838041
1997.0000000;-0.7161999
1998.0000000;-1.7067838
1999.0000000;-0.7588938
2000.0000000;-1.1053358
2001.0000000;0.4014176
2002.0000000;-0.9742972
2003.0000000;-2.5452683