1967.0000000;-2.3178210
1968.0000000;-0.4208001
1969.0000000;-1.5332332
1970.0000000;-1.7827861
1971.0000000;-1.5934097
1972.0000000;-0.7046077
1973.0000000;-2.0955820
1974.0000000;-1.7584572
1975.0000000;-1.5456449
1976.0000000;-1.7111239
1977.0000000;0.5307590
1978.0000000;0.0619693
1979.0000000;-1.0326085
1980.0000000;-0.3421720
1981.0000000;-1.9458686
1982.0000000;-1.2915814
1983.0000000;-0.7196959
1984.0000000;-0.0523553
1985.0000000;-1.7029843
1986.0000000;-1.5473273
1987.0000000;-1.4360147
1988.0000000;-1.0678706
1989.0000000;-1.7108319
1990.0000000;-1.6882348
1991.0000000;-1.6543319
1992.0000000;-1.1969807
1993.0000000;-1.4643245
1994.0000000;-0.8883513
1995.0000000;-0.8008695
1996.0000000;-1.0700413
1997.0000000;-1.1510761
1998.0000000;-1.9641820
1999.0000000;-1.7576883
2000.0000000;-1.7991654
2001.0000000;0.3279894
2002.0000000;-1.7224382
2003.0000000;-2.6202588