1967.0000000;-0.7724309
1968.0000000;0.3376179
1969.0000000;0.0069416
1970.0000000;-0.4813025
1971.0000000;-0.6978465
1972.0000000;0.0622961
1973.0000000;-0.7281544
1974.0000000;-0.5130650
1975.0000000;0.1654131
1976.0000000;-0.4079731
1977.0000000;0.4386524
1978.0000000;0.5094443
1979.0000000;-0.3568976
1980.0000000;0.1378582
1981.0000000;-0.1260063
1982.0000000;-0.1594342
1983.0000000;-0.2903016
1984.0000000;0.5504339
1985.0000000;-0.3679592
1986.0000000;-1.1670687
1987.0000000;-0.3725942
1988.0000000;-0.0694228
1989.0000000;-1.4047590
1990.0000000;-0.7971421
1991.0000000;-0.7955730
1992.0000000;-0.5556397
1993.0000000;-0.5755210
1994.0000000;-0.3028074
1995.0000000;0.3976739
1996.0000000;-0.0287801
1997.0000000;-0.3563489
1998.0000000;-1.3351872
1999.0000000;-0.6059597
2000.0000000;-0.8724984
2001.0000000;0.5619075
2002.0000000;-0.0827695
2003.0000000;-2.3683214