1967.0000000;-0.5648218
1968.0000000;-1.3084561
1969.0000000;-1.6077609
1970.0000000;-1.1138527
1971.0000000;-1.9384501
1972.0000000;-0.7560368
1973.0000000;-1.7455678
1974.0000000;-1.2262399
1975.0000000;-0.9211258
1976.0000000;-1.5916107
1977.0000000;0.2006641
1978.0000000;0.4599143
1979.0000000;-0.3081869
1980.0000000;0.4652462
1981.0000000;-0.0191932
1982.0000000;-0.2787726
1983.0000000;-0.0700187
1984.0000000;0.4726480
1985.0000000;-0.6538495
1986.0000000;-1.8509686
1987.0000000;0.0831991
1988.0000000;-0.0129965
1989.0000000;-1.9443711
1990.0000000;-1.6975976
1991.0000000;-0.9174551
1992.0000000;-1.3270420
1993.0000000;-0.6648897
1994.0000000;-0.5624456
1995.0000000;0.8199998
1996.0000000;-0.2072584
1997.0000000;-0.8064578
1998.0000000;-1.6050124
1999.0000000;-1.0221088
2000.0000000;-1.2507267
2001.0000000;0.3965232
2002.0000000;-1.5641739
2003.0000000;-3.4753356