1967.0000000;-0.4509546
1968.0000000;-0.0110423
1969.0000000;-0.2882732
1970.0000000;-0.7061489
1971.0000000;-0.6260840
1972.0000000;-0.0979522
1973.0000000;-1.1872981
1974.0000000;-0.5963317
1975.0000000;-0.3953205
1976.0000000;-0.6441612
1977.0000000;0.3470078
1978.0000000;0.2786819
1979.0000000;-0.1616065
1980.0000000;0.0764223
1981.0000000;-0.1817543
1982.0000000;-0.2606255
1983.0000000;-0.1503477
1984.0000000;0.2534926
1985.0000000;-0.1510925
1986.0000000;-1.2331723
1987.0000000;-0.3442525
1988.0000000;-0.1308392
1989.0000000;-0.9708880
1990.0000000;-0.6685045
1991.0000000;-0.4762010
1992.0000000;-0.5803548
1993.0000000;-0.4547721
1994.0000000;-0.4126459
1995.0000000;0.2777044
1996.0000000;0.0434970
1997.0000000;-0.5263120
1998.0000000;-1.3323390
1999.0000000;-0.7061405
2000.0000000;-1.0633513
2001.0000000;0.4252850
2002.0000000;-0.7534697
2003.0000000;-2.6330495