1967.0000000;-1.4557512
1968.0000000;0.0054792
1969.0000000;-0.3806296
1970.0000000;-1.0940485
1971.0000000;-0.7594540
1972.0000000;-0.2529245
1973.0000000;-1.5511262
1974.0000000;-1.1624966
1975.0000000;-0.9110348
1976.0000000;-1.2388893
1977.0000000;0.8347005
1978.0000000;0.5917788
1979.0000000;0.2318816
1980.0000000;0.1357103
1981.0000000;-0.7460533
1982.0000000;-0.2575160
1983.0000000;-0.2599582
1984.0000000;0.1261607
1985.0000000;-0.8227644
1986.0000000;-1.2825750
1987.0000000;-0.8726624
1988.0000000;-0.2504060
1989.0000000;-1.6803687
1990.0000000;-1.4050510
1991.0000000;-1.0234046
1992.0000000;-0.8846476
1993.0000000;-0.8370065
1994.0000000;-0.5965812
1995.0000000;-0.2719798
1996.0000000;-0.1455923
1997.0000000;-0.7056039
1998.0000000;-1.7498217
1999.0000000;-1.3552450
2000.0000000;-1.6040000
2001.0000000;0.8617232
2002.0000000;-1.4402087
2003.0000000;-2.6691890