1967.0000000;-1.6981156
1968.0000000;-0.3361926
1969.0000000;-1.2691150
1970.0000000;-1.3070686
1971.0000000;-1.4682838
1972.0000000;-0.4725199
1973.0000000;-1.6815190
1974.0000000;-1.5436003
1975.0000000;-0.3670955
1976.0000000;-1.5628649
1977.0000000;0.1406149
1978.0000000;0.2120209
1979.0000000;-1.2454360
1980.0000000;-0.1541256
1981.0000000;-1.0205570
1982.0000000;-0.7760251
1983.0000000;-0.8274870
1984.0000000;0.5754822
1985.0000000;-0.7367591
1986.0000000;-1.5607994
1987.0000000;-1.0341769
1988.0000000;-0.5042612
1989.0000000;-1.6273066
1990.0000000;-1.6275730
1991.0000000;-1.5523977
1992.0000000;-1.2318728
1993.0000000;-0.9465191
1994.0000000;-0.7978498
1995.0000000;-0.0750517
1996.0000000;-1.3549774
1997.0000000;-1.4102125
1998.0000000;-1.9104587
1999.0000000;-0.9386067
2000.0000000;-1.2761823
2001.0000000;0.2862848
2002.0000000;-1.1841795
2003.0000000;-2.8134193