1967.0000000;-0.8479832
1968.0000000;0.2638566
1969.0000000;-0.2797197
1970.0000000;-0.6674696
1971.0000000;-0.9266462
1972.0000000;-0.1772588
1973.0000000;-1.4285293
1974.0000000;-1.0506852
1975.0000000;0.0803250
1976.0000000;-1.2960842
1977.0000000;0.5367033
1978.0000000;0.5928936
1979.0000000;-0.2987686
1980.0000000;0.4101570
1981.0000000;-0.0358185
1982.0000000;-0.2399460
1983.0000000;-0.3784778
1984.0000000;0.4925743
1985.0000000;-0.4031803
1986.0000000;-1.2876043
1987.0000000;-0.2452761
1988.0000000;0.1448007
1989.0000000;-1.5648558
1990.0000000;-1.5390013
1991.0000000;-0.9205694
1992.0000000;-0.8256543
1993.0000000;-0.6485716
1994.0000000;-0.2705094
1995.0000000;0.4222997
1996.0000000;-0.2867492
1997.0000000;-0.6231504
1998.0000000;-1.6019280
1999.0000000;-0.6434140
2000.0000000;-0.8256258
2001.0000000;0.7098179
2002.0000000;-0.9330912
2003.0000000;-2.6454573