1967.0000000;-0.3758477
1968.0000000;0.0523541
1969.0000000;-1.0399654
1970.0000000;-0.4954005
1971.0000000;-1.4742613
1972.0000000;-0.8418525
1973.0000000;-1.0946679
1974.0000000;-0.9380369
1975.0000000;-0.4992540
1976.0000000;-1.4796131
1977.0000000;0.2396706
1978.0000000;0.3929014
1979.0000000;-0.0671664
1980.0000000;0.7420217
1981.0000000;0.2548850
1982.0000000;-0.1897230
1983.0000000;-0.1120207
1984.0000000;0.9266314
1985.0000000;0.5513726
1986.0000000;-1.4714661
1987.0000000;0.2809605
1988.0000000;0.1599850
1989.0000000;-1.0767330
1990.0000000;-1.4795403
1991.0000000;-1.3752859
1992.0000000;-1.0084283
1993.0000000;-0.5967705
1994.0000000;-0.5297102
1995.0000000;0.9770690
1996.0000000;-0.1101396
1997.0000000;-0.6053799
1998.0000000;-1.6827236
1999.0000000;-0.6107632
2000.0000000;-1.1256955
2001.0000000;0.5192248
2002.0000000;-0.8781080
2003.0000000;-2.7685938