1967.0000000;-1.5085591
1968.0000000;-0.0920941
1969.0000000;-0.2792158
1970.0000000;-0.9371867
1971.0000000;-1.1890147
1972.0000000;-0.0646306
1973.0000000;-0.7358057
1974.0000000;-1.1668977
1975.0000000;-0.3590064
1976.0000000;-0.4481462
1977.0000000;0.6311197
1978.0000000;0.3644263
1979.0000000;-1.0156735
1980.0000000;-0.1413225
1981.0000000;-0.0792889
1982.0000000;-1.0368255
1983.0000000;-0.6616162
1984.0000000;0.5178992
1985.0000000;-0.3088381
1986.0000000;-1.3883482
1987.0000000;-1.0749698
1988.0000000;-1.1923683
1989.0000000;-1.6810882
1990.0000000;-1.4954975
1991.0000000;-1.8126268
1992.0000000;-1.7002228
1993.0000000;-0.7329787
1994.0000000;-0.6643312
1995.0000000;0.1490307
1996.0000000;-0.8345135
1997.0000000;-0.9909197
1998.0000000;-1.9958874
1999.0000000;-0.8335516
2000.0000000;-0.9983194
2001.0000000;0.7080770
2002.0000000;0.1179733
2003.0000000;-2.2613158