1967.0000000;-1.6289614
1968.0000000;-0.1935337
1969.0000000;-0.4107840
1970.0000000;-0.9358987
1971.0000000;-1.3513632
1972.0000000;-0.1211852
1973.0000000;-0.7844402
1974.0000000;-1.2914875
1975.0000000;-0.5130890
1976.0000000;-0.5613582
1977.0000000;0.5801352
1978.0000000;0.1638472
1979.0000000;-1.2154455
1980.0000000;-0.3977209
1981.0000000;-0.2336509
1982.0000000;-1.3771760
1983.0000000;-0.5794938
1984.0000000;0.4650937
1985.0000000;-0.4469103
1986.0000000;-1.4110682
1987.0000000;-1.2184927
1988.0000000;-1.3149571
1989.0000000;-1.6960485
1990.0000000;-1.4671924
1991.0000000;-1.9001615
1992.0000000;-1.7294462
1993.0000000;-0.8197150
1994.0000000;-0.7720434
1995.0000000;-0.0318351
1996.0000000;-1.1796254
1997.0000000;-1.1705296
1998.0000000;-2.0234411
1999.0000000;-0.7567699
2000.0000000;-1.0853114
2001.0000000;0.7021779
2002.0000000;0.1981101
2003.0000000;-2.3407686