1967.0000000;-1.0018544
1968.0000000;0.2368572
1969.0000000;-0.2043951
1970.0000000;-0.6738131
1971.0000000;-0.8866062
1972.0000000;0.0262915
1973.0000000;-0.9689146
1974.0000000;-0.7263101
1975.0000000;0.1224357
1976.0000000;-0.7002861
1977.0000000;0.2646389
1978.0000000;0.3089525
1979.0000000;-0.6245981
1980.0000000;-0.0942004
1981.0000000;-0.4872960
1982.0000000;-0.4151722
1983.0000000;-0.3858620
1984.0000000;0.6322849
1985.0000000;-0.2616591
1986.0000000;-1.2289710
1987.0000000;-0.5467194
1988.0000000;-0.1932603
1989.0000000;-1.3917606
1990.0000000;-0.6124488
1991.0000000;-1.0223480
1992.0000000;-0.7151889
1993.0000000;-0.6547917
1994.0000000;-0.4313068
1995.0000000;0.4011741
1996.0000000;-0.1012644
1997.0000000;-0.3177387
1998.0000000;-1.3321805
1999.0000000;-0.5445292
2000.0000000;-0.8537381
2001.0000000;0.4205927
2002.0000000;-0.0255538
2003.0000000;-2.2909348