1967.0000000;-0.9358259
1968.0000000;-0.4027710
1969.0000000;-0.8953908
1970.0000000;-1.2283998
1971.0000000;-1.2343407
1972.0000000;-0.3585044
1973.0000000;-1.8449068
1974.0000000;-1.1755271
1975.0000000;-0.5533562
1976.0000000;-1.3217804
1977.0000000;0.5267651
1978.0000000;0.4253916
1979.0000000;-0.3413561
1980.0000000;0.3096775
1981.0000000;-0.0880459
1982.0000000;-0.4127815
1983.0000000;-0.3228163
1984.0000000;0.2415738
1985.0000000;-0.5274778
1986.0000000;-1.5873246
1987.0000000;-0.7053777
1988.0000000;-0.2293889
1989.0000000;-1.5119958
1990.0000000;-1.4492083
1991.0000000;-0.7409035
1992.0000000;-0.7171384
1993.0000000;-0.6128149
1994.0000000;-0.6599714
1995.0000000;0.3179684
1996.0000000;-0.2288428
1997.0000000;-1.1508851
1998.0000000;-1.7779070
1999.0000000;-0.9790763
2000.0000000;-1.3552073
2001.0000000;0.3409700
2002.0000000;-1.5041416
2003.0000000;-3.0814333