1967.0000000;-0.5613835
1968.0000000;0.0749944
1969.0000000;-0.4061298
1970.0000000;-0.7533771
1971.0000000;-0.6975560
1972.0000000;-0.1132174
1973.0000000;-1.3535955
1974.0000000;-0.6915803
1975.0000000;-0.3935354
1976.0000000;-0.7635086
1977.0000000;0.3886139
1978.0000000;0.3303109
1979.0000000;-0.1660054
1980.0000000;0.1125486
1981.0000000;-0.1621288
1982.0000000;-0.3142945
1983.0000000;-0.1672915
1984.0000000;0.2539290
1985.0000000;-0.1997331
1986.0000000;-1.3219118
1987.0000000;-0.3935677
1988.0000000;-0.1013920
1989.0000000;-1.0352745
1990.0000000;-0.7841768
1991.0000000;-0.5037438
1992.0000000;-0.6234620
1993.0000000;-0.5016997
1994.0000000;-0.4739761
1995.0000000;0.3405849
1996.0000000;-0.0039513
1997.0000000;-0.6750720
1998.0000000;-1.4668463
1999.0000000;-0.7091635
2000.0000000;-1.2202139
2001.0000000;0.4767486
2002.0000000;-0.9412884
2003.0000000;-2.8246560