1967.0000000;-1.6501544
1968.0000000;0.0340955
1969.0000000;-0.7214748
1970.0000000;-1.3477883
1971.0000000;-1.0032055
1972.0000000;-0.2819105
1973.0000000;-1.5353992
1974.0000000;-1.4748299
1975.0000000;-1.0828986
1976.0000000;-1.4424353
1977.0000000;0.9222543
1978.0000000;0.4885028
1979.0000000;-0.3448195
1980.0000000;-0.1458815
1981.0000000;-1.1511166
1982.0000000;-0.5785601
1983.0000000;-0.2141902
1984.0000000;-0.0116527
1985.0000000;-1.1525185
1986.0000000;-1.4224894
1987.0000000;-0.9774011
1988.0000000;-0.6208825
1989.0000000;-1.6664834
1990.0000000;-1.2883351
1991.0000000;-1.0732956
1992.0000000;-0.8785926
1993.0000000;-0.9118398
1994.0000000;-0.4784906
1995.0000000;-0.4033929
1996.0000000;-0.2903104
1997.0000000;-0.5352167
1998.0000000;-1.7208841
1999.0000000;-1.3586575
2000.0000000;-1.6039035
2001.0000000;0.8943239
2002.0000000;-1.4031333
2003.0000000;-2.4416986