1967.0000000;-0.9733635
1968.0000000;0.1798265
1969.0000000;-0.6769528
1970.0000000;-0.8870108
1971.0000000;-1.1469309
1972.0000000;-0.2189125
1973.0000000;-1.8125983
1974.0000000;-1.2865157
1975.0000000;0.0886653
1976.0000000;-1.4916369
1977.0000000;0.8018476
1978.0000000;0.6815243
1979.0000000;-0.2420170
1980.0000000;0.4989554
1981.0000000;0.0492882
1982.0000000;-0.1051985
1983.0000000;-0.2970724
1984.0000000;0.5652886
1985.0000000;-0.6548200
1986.0000000;-1.4830718
1987.0000000;-0.4860029
1988.0000000;0.1286853
1989.0000000;-1.8066841
1990.0000000;-1.8524027
1991.0000000;-0.9188861
1992.0000000;-0.9874734
1993.0000000;-0.6605835
1994.0000000;-0.2040224
1995.0000000;0.5352063
1996.0000000;-0.6583608
1997.0000000;-0.6295505
1998.0000000;-1.8685329
1999.0000000;-0.8359017
2000.0000000;-1.0434513
2001.0000000;0.8729504
2002.0000000;-1.8520852
2003.0000000;-2.9816635