1967.0000000;-0.9098504
1968.0000000;0.3085333
1969.0000000;-0.0815545
1970.0000000;-0.6646111
1971.0000000;-0.6577710
1972.0000000;0.0948738
1973.0000000;-0.9174981
1974.0000000;-0.5856803
1975.0000000;0.2479075
1976.0000000;-0.5762163
1977.0000000;0.4531112
1978.0000000;0.3203583
1979.0000000;-0.4099076
1980.0000000;-0.0914477
1981.0000000;-0.4475155
1982.0000000;-0.3197873
1983.0000000;-0.1450452
1984.0000000;0.5370197
1985.0000000;-0.3226257
1986.0000000;-1.2241194
1987.0000000;-0.4493299
1988.0000000;-0.1643009
1989.0000000;-1.4536551
1990.0000000;-0.4035557
1991.0000000;-0.7699677
1992.0000000;-0.7528819
1993.0000000;-0.5117442
1994.0000000;-0.2228911
1995.0000000;0.4346824
1996.0000000;0.0224039
1997.0000000;-0.0957765
1998.0000000;-1.2729951
1999.0000000;-0.4104668
2000.0000000;-0.8191384
2001.0000000;0.6554099
2002.0000000;-0.1147424
2003.0000000;-2.3458571