1967.0000000;-0.0463132
1968.0000000;0.1156063
1969.0000000;-0.1219815
1970.0000000;-0.1614504
1971.0000000;-0.5790762
1972.0000000;-0.1408156
1973.0000000;-0.5805443
1974.0000000;-0.3037879
1975.0000000;-0.0114731
1976.0000000;-0.5632159
1977.0000000;0.8116661
1978.0000000;0.9797987
1979.0000000;0.5587128
1980.0000000;0.8688369
1981.0000000;0.4931912
1982.0000000;0.3664261
1983.0000000;0.0849653
1984.0000000;0.5943896
1985.0000000;0.1388019
1986.0000000;-0.8650666
1987.0000000;0.3509968
1988.0000000;0.5424210
1989.0000000;-1.3586888
1990.0000000;-1.0386369
1991.0000000;-0.1764743
1992.0000000;-0.4997267
1993.0000000;-0.2723486
1994.0000000;-0.1010450
1995.0000000;0.9686938
1996.0000000;-0.0426691
1997.0000000;-0.5442457
1998.0000000;-1.1890521
1999.0000000;-0.8085464
2000.0000000;-0.9208834
2001.0000000;0.5327205
2002.0000000;-1.4148784
2003.0000000;-3.5342398