1967.0000000;-0.7201353
1968.0000000;-0.1581226
1969.0000000;-0.7277230
1970.0000000;-1.0234827
1971.0000000;-0.9005705
1972.0000000;-0.3536633
1973.0000000;-1.6570423
1974.0000000;-0.9428790
1975.0000000;-0.4620836
1976.0000000;-1.1037004
1977.0000000;0.5218771
1978.0000000;0.4430187
1979.0000000;-0.1220964
1980.0000000;0.2585242
1981.0000000;-0.0820157
1982.0000000;-0.2914852
1983.0000000;-0.1800286
1984.0000000;0.2584703
1985.0000000;-0.3952245
1986.0000000;-1.5050056
1987.0000000;-0.5215944
1988.0000000;-0.1099701
1989.0000000;-1.4205589
1990.0000000;-1.1043093
1991.0000000;-0.6338941
1992.0000000;-0.7597790
1993.0000000;-0.6293128
1994.0000000;-0.4544903
1995.0000000;0.4015095
1996.0000000;-0.1137599
1997.0000000;-0.7957261
1998.0000000;-1.6960497
1999.0000000;-0.8660108
2000.0000000;-1.3515642
2001.0000000;0.5481306
2002.0000000;-1.4249914
2003.0000000;-3.0478208