1967.0000000;-1.0453782
1968.0000000;0.6978006
1969.0000000;-0.1837753
1970.0000000;-0.3569972
1971.0000000;-0.5122366
1972.0000000;0.2514322
1973.0000000;-0.7407373
1974.0000000;-0.7994584
1975.0000000;0.2521152
1976.0000000;-1.0467046
1977.0000000;0.7489996
1978.0000000;0.6554949
1979.0000000;-0.3805523
1980.0000000;0.2472676
1981.0000000;-0.0365271
1982.0000000;-0.3206844
1983.0000000;-0.1080089
1984.0000000;0.7192191
1985.0000000;-0.3686419
1986.0000000;-1.2349122
1987.0000000;-0.1553850
1988.0000000;0.2773559
1989.0000000;-1.5331420
1990.0000000;-0.9036645
1991.0000000;-0.7987653
1992.0000000;-0.6795529
1993.0000000;-0.3478808
1994.0000000;-0.0135796
1995.0000000;0.4881739
1996.0000000;-0.0284643
1997.0000000;-0.0794415
1998.0000000;-1.4501538
1999.0000000;-0.3772252
2000.0000000;-0.7260543
2001.0000000;0.9171018
2002.0000000;-0.2076024
2003.0000000;-2.2842979