1967.0000000;-1.7152892
1968.0000000;-0.4107057
1969.0000000;-0.5079030
1970.0000000;-1.1649588
1971.0000000;-1.3957417
1972.0000000;-0.1845089
1973.0000000;-1.0521883
1974.0000000;-1.3906289
1975.0000000;-0.5230433
1976.0000000;-0.6256469
1977.0000000;0.6117693
1978.0000000;0.2149903
1979.0000000;-1.2457852
1980.0000000;-0.3660289
1981.0000000;-0.2670121
1982.0000000;-1.3568628
1983.0000000;-0.8107883
1984.0000000;0.4946402
1985.0000000;-0.3970539
1986.0000000;-1.4334848
1987.0000000;-1.3652201
1988.0000000;-1.3409173
1989.0000000;-1.7061825
1990.0000000;-1.5643981
1991.0000000;-1.9224231
1992.0000000;-1.7638923
1993.0000000;-0.8073844
1994.0000000;-0.7871571
1995.0000000;-0.0393906
1996.0000000;-1.1735957
1997.0000000;-1.0996001
1998.0000000;-2.0150757
1999.0000000;-0.8766781
2000.0000000;-1.0785332
2001.0000000;0.6829826
2002.0000000;0.2054554
2003.0000000;-2.2658367