1967.0000000;-1.2734307
1968.0000000;0.1811316
1969.0000000;-0.3732941
1970.0000000;-0.9943438
1971.0000000;-0.8917456
1972.0000000;-0.1147655
1973.0000000;-1.0418342
1974.0000000;-1.0401630
1975.0000000;-0.8573505
1976.0000000;-0.8665510
1977.0000000;0.6420490
1978.0000000;0.3750535
1979.0000000;-0.1879864
1980.0000000;-0.1605087
1981.0000000;-0.9498860
1982.0000000;-0.4158248
1983.0000000;-0.2918179
1984.0000000;0.0928230
1985.0000000;-0.8777900
1986.0000000;-1.2907956
1987.0000000;-0.7405410
1988.0000000;-0.5827639
1989.0000000;-1.5342538
1990.0000000;-0.9007185
1991.0000000;-1.0361347
1992.0000000;-0.7695143
1993.0000000;-0.8682153
1994.0000000;-0.5306199
1995.0000000;-0.0845937
1996.0000000;-0.0256500
1997.0000000;-0.5936897
1998.0000000;-1.5408480
1999.0000000;-1.1172869
2000.0000000;-1.4473535
2001.0000000;0.6498033
2002.0000000;-0.8334712
2003.0000000;-2.1817999