1967.0000000;-0.6449873
1968.0000000;0.3560344
1969.0000000;0.0522465
1970.0000000;-0.3930154
1971.0000000;-0.4472731
1972.0000000;0.0100506
1973.0000000;-0.8165640
1974.0000000;-0.6813711
1975.0000000;0.1077898
1976.0000000;-0.5837297
1977.0000000;0.5209935
1978.0000000;0.6500241
1979.0000000;-0.0707838
1980.0000000;0.3642279
1981.0000000;0.0510839
1982.0000000;-0.0490504
1983.0000000;-0.3001582
1984.0000000;0.4181523
1985.0000000;-0.3933821
1986.0000000;-1.1286414
1987.0000000;-0.2586868
1988.0000000;0.1389291
1989.0000000;-1.4039369
1990.0000000;-0.9112761
1991.0000000;-0.6441447
1992.0000000;-0.3930035
1993.0000000;-0.5070593
1994.0000000;-0.2502041
1995.0000000;0.4423403
1996.0000000;0.0941916
1997.0000000;-0.2792119
1998.0000000;-1.2613927
1999.0000000;-0.6011958
2000.0000000;-0.7244815
2001.0000000;0.6814360
2002.0000000;-0.1130006
2003.0000000;-2.2241969