1967.0000000;-0.8202871
1968.0000000;0.1902479
1969.0000000;-0.6772521
1970.0000000;-0.8927902
1971.0000000;-0.9022214
1972.0000000;-0.0441400
1973.0000000;-1.6634107
1974.0000000;-1.0500513
1975.0000000;0.0777580
1976.0000000;-1.0906601
1977.0000000;0.6642179
1978.0000000;0.5547333
1979.0000000;-0.3763321
1980.0000000;0.2997994
1981.0000000;-0.0802618
1982.0000000;-0.2452814
1983.0000000;-0.1946386
1984.0000000;0.4354843
1985.0000000;-0.5151352
1986.0000000;-1.3933306
1987.0000000;-0.5787815
1988.0000000;-0.0656361
1989.0000000;-1.4690250
1990.0000000;-1.3226662
1991.0000000;-0.7711066
1992.0000000;-0.9084068
1993.0000000;-0.4720912
1994.0000000;-0.1684237
1995.0000000;0.4005316
1996.0000000;-0.6462198
1997.0000000;-1.0424144
1998.0000000;-1.7528811
1999.0000000;-0.9987781
2000.0000000;-1.3701384
2001.0000000;0.8295932
2002.0000000;-1.5437386
2003.0000000;-3.1446385