1967.0000000;-0.7165702
1968.0000000;0.3962236
1969.0000000;-0.4024326
1970.0000000;-0.7353600
1971.0000000;-0.2710422
1972.0000000;-0.0374450
1973.0000000;-1.5269053
1974.0000000;-0.7781120
1975.0000000;-0.5498911
1976.0000000;-0.7166523
1977.0000000;0.5520589
1978.0000000;0.4680262
1979.0000000;0.1320605
1980.0000000;0.1930268
1981.0000000;-0.4051018
1982.0000000;-0.2668456
1983.0000000;-0.2488489
1984.0000000;0.1357768
1985.0000000;-0.5752274
1986.0000000;-1.2590206
1987.0000000;-0.9672228
1988.0000000;-0.3616694
1989.0000000;-1.2376322
1990.0000000;-1.0587330
1991.0000000;-0.8093758
1992.0000000;-0.8422053
1993.0000000;-0.6745319
1994.0000000;-0.3500625
1995.0000000;0.2639049
1996.0000000;0.0601513
1997.0000000;-0.6618299
1998.0000000;-1.6059719
1999.0000000;-1.1126759
2000.0000000;-1.1259317
2001.0000000;0.5330479
2002.0000000;-0.7459285
2003.0000000;-2.7673752