1967.0000000;-1.0808548
1968.0000000;0.1979537
1969.0000000;-0.5266270
1970.0000000;-1.0157564
1971.0000000;-1.0067478
1972.0000000;-0.1159102
1973.0000000;-1.7396729
1974.0000000;-1.1104851
1975.0000000;0.0866601
1976.0000000;-1.2475796
1977.0000000;0.6864787
1978.0000000;0.5516160
1979.0000000;-0.3176125
1980.0000000;0.2984800
1981.0000000;-0.1022829
1982.0000000;-0.1801903
1983.0000000;-0.3676179
1984.0000000;0.3278806
1985.0000000;-0.5870148
1986.0000000;-1.4083115
1987.0000000;-0.5881319
1988.0000000;-0.0108261
1989.0000000;-1.6705734
1990.0000000;-1.4592804
1991.0000000;-0.8155128
1992.0000000;-0.9455286
1993.0000000;-0.6275200
1994.0000000;-0.3011650
1995.0000000;0.3486749
1996.0000000;-0.4318556
1997.0000000;-0.7223241
1998.0000000;-1.7281332
1999.0000000;-0.7561862
2000.0000000;-0.9896846
2001.0000000;0.9434991
2002.0000000;-1.3793597
2003.0000000;-2.8519468