1967.0000000;-1.4719138
1968.0000000;-0.5117534
1969.0000000;-0.3439541
1970.0000000;-1.3879198
1971.0000000;-1.5290773
1972.0000000;-0.4225684
1973.0000000;-1.8560379
1974.0000000;-1.0686400
1975.0000000;0.0416790
1976.0000000;-0.9515020
1977.0000000;0.6078583
1978.0000000;0.5757234
1979.0000000;-0.8539843
1980.0000000;0.4078938
1981.0000000;0.1271893
1982.0000000;-0.3822464
1983.0000000;-0.7544649
1984.0000000;0.4532084
1985.0000000;-0.6091907
1986.0000000;-1.5340114
1987.0000000;-1.2445943
1988.0000000;-0.7540061
1989.0000000;-1.7371607
1990.0000000;-1.8343340
1991.0000000;-1.8118532
1992.0000000;-2.1018553
1993.0000000;-0.7437097
1994.0000000;-0.7134811
1995.0000000;0.4009392
1996.0000000;-0.5586096
1997.0000000;-1.0760831
1998.0000000;-2.1238027
1999.0000000;-0.9127945
2000.0000000;-1.6005812
2001.0000000;0.7277151
2002.0000000;-0.4594346
2003.0000000;-2.7286549