1967.0000000;-1.6669364
1968.0000000;0.0597476
1969.0000000;-1.1065886
1970.0000000;-0.6821451
1971.0000000;-1.4917666
1972.0000000;-0.6934400
1973.0000000;-0.9390787
1974.0000000;-0.9727985
1975.0000000;-0.9731388
1976.0000000;-1.3990946
1977.0000000;-0.1261091
1978.0000000;-0.0501480
1979.0000000;-0.3765011
1980.0000000;-0.5301446
1981.0000000;-0.5185103
1982.0000000;-0.2589677
1983.0000000;-0.2613887
1984.0000000;0.9579916
1985.0000000;0.7628390
1986.0000000;-1.2683849
1987.0000000;-0.5265808
1988.0000000;-0.0411764
1989.0000000;-1.4243445
1990.0000000;-1.6517240
1991.0000000;-1.7633593
1992.0000000;-1.3737166
1993.0000000;-0.7542628
1994.0000000;-0.5660218
1995.0000000;0.4977569
1996.0000000;-0.2987411
1997.0000000;-0.7165319
1998.0000000;-1.7627832
1999.0000000;-0.8259612
2000.0000000;-1.1357882
2001.0000000;0.7354888
2002.0000000;-0.3578368
2003.0000000;-2.2120728