1967.0000000;-1.7096276
1968.0000000;-0.5867064
1969.0000000;-1.0959773
1970.0000000;-1.6333202
1971.0000000;-0.9880226
1972.0000000;-0.5810651
1973.0000000;-1.9528512
1974.0000000;-1.1197842
1975.0000000;-1.1010849
1976.0000000;-1.4255522
1977.0000000;0.7999271
1978.0000000;0.4639546
1979.0000000;0.1251567
1980.0000000;0.0110056
1981.0000000;-0.6520606
1982.0000000;-0.4388528
1983.0000000;-0.1350207
1984.0000000;0.0618896
1985.0000000;-0.6498104
1986.0000000;-1.4316311
1987.0000000;-1.2526464
1988.0000000;-0.5674363
1989.0000000;-1.7176377
1990.0000000;-1.4054219
1991.0000000;-0.6318751
1992.0000000;-0.8523624
1993.0000000;-0.7396163
1994.0000000;-0.5912424
1995.0000000;-0.2848975
1996.0000000;0.1154668
1997.0000000;-0.3305561
1998.0000000;-1.7430365
1999.0000000;-1.7231743
2000.0000000;-1.4737961
2001.0000000;0.9529186
2002.0000000;-1.4942466
2003.0000000;-2.9426177