1967.0000000;-0.7809265
1968.0000000;-0.0500933
1969.0000000;-0.1933050
1970.0000000;-0.7519008
1971.0000000;-0.5593327
1972.0000000;-0.1471564
1973.0000000;-1.1742451
1974.0000000;-0.5595545
1975.0000000;-0.7364170
1976.0000000;-0.7642445
1977.0000000;0.3435916
1978.0000000;0.5741486
1979.0000000;-0.0171547
1980.0000000;0.1775185
1981.0000000;-0.0872085
1982.0000000;-0.0878832
1983.0000000;-0.3133866
1984.0000000;0.1577869
1985.0000000;-0.4021701
1986.0000000;-1.1033077
1987.0000000;-0.5611726
1988.0000000;-0.3410182
1989.0000000;-1.2548916
1990.0000000;-0.9819310
1991.0000000;-0.9477892
1992.0000000;-0.8074120
1993.0000000;-0.4769592
1994.0000000;-0.6208868
1995.0000000;0.0932110
1996.0000000;-0.0817647
1997.0000000;-0.8004750
1998.0000000;-1.5079244
1999.0000000;-1.1494756
2000.0000000;-1.1514988
2001.0000000;0.3651241
2002.0000000;-0.6707806
2003.0000000;-2.5225837