1967.0000000;-0.7279516
1968.0000000;-0.3584241
1969.0000000;-0.8165640
1970.0000000;-0.8659632
1971.0000000;-1.6638876
1972.0000000;-0.6778944
1973.0000000;-1.3676788
1974.0000000;-1.0787792
1975.0000000;-0.6866248
1976.0000000;-1.4735111
1977.0000000;0.2061142
1978.0000000;0.4168413
1979.0000000;-0.2804320
1980.0000000;0.4456169
1981.0000000;0.3150940
1982.0000000;0.0378345
1983.0000000;-0.3163164
1984.0000000;0.7118474
1985.0000000;-0.0119954
1986.0000000;-1.3775637
1987.0000000;-0.4661331
1988.0000000;-0.1546913
1989.0000000;-1.5063467
1990.0000000;-1.7503327
1991.0000000;-1.2829365
1992.0000000;-1.8922223
1993.0000000;-0.7361935
1994.0000000;-0.6033241
1995.0000000;0.6011766
1996.0000000;-0.3039643
1997.0000000;-0.9585580
1998.0000000;-1.7176085
1999.0000000;-0.8140304
2000.0000000;-1.1349342
2001.0000000;0.7256985
2002.0000000;-0.9477369
2003.0000000;-2.5030160