1967.0000000;-1.2950282
1968.0000000;0.2077428
1969.0000000;-0.4572862
1970.0000000;-0.9572720
1971.0000000;-0.8136649
1972.0000000;0.0128234
1973.0000000;-1.2770822
1974.0000000;-1.1320488
1975.0000000;0.1637433
1976.0000000;-1.1914821
1977.0000000;0.4099118
1978.0000000;0.3031944
1979.0000000;-0.7476040
1980.0000000;-0.0987198
1981.0000000;-0.5970234
1982.0000000;-0.5401686
1983.0000000;-0.3691773
1984.0000000;0.6272110
1985.0000000;-0.3878740
1986.0000000;-1.3069205
1987.0000000;-0.5287660
1988.0000000;-0.0603846
1989.0000000;-1.5238185
1990.0000000;-1.0345874
1991.0000000;-0.9293664
1992.0000000;-0.8691159
1993.0000000;-0.6031795
1994.0000000;-0.3110578
1995.0000000;0.4472396
1996.0000000;-0.2100319
1997.0000000;-0.3673308
1998.0000000;-1.4385462
1999.0000000;-0.4260992
2000.0000000;-0.9126952
2001.0000000;0.6651700
2002.0000000;-0.3001397
2003.0000000;-2.5008154