1967.0000000;-1.0532379
1968.0000000;-0.1411542
1969.0000000;-0.1386930
1970.0000000;-1.0444379
1971.0000000;-1.1448870
1972.0000000;-0.2840202
1973.0000000;-1.0765334
1974.0000000;-1.0106180
1975.0000000;-0.0477573
1976.0000000;-0.7600290
1977.0000000;0.5640223
1978.0000000;0.5397762
1979.0000000;-0.5945183
1980.0000000;0.4161666
1981.0000000;-0.0036676
1982.0000000;-0.3271852
1983.0000000;-0.6201528
1984.0000000;0.5167227
1985.0000000;-0.3105704
1986.0000000;-1.3524146
1987.0000000;-0.8871496
1988.0000000;-0.6375906
1989.0000000;-1.5855212
1990.0000000;-1.6677628
1991.0000000;-1.6833842
1992.0000000;-1.6697731
1993.0000000;-0.8597938
1994.0000000;-0.5785068
1995.0000000;0.3606972
1996.0000000;-0.3627020
1997.0000000;-0.9178718
1998.0000000;-1.8549416
1999.0000000;-0.9893813
2000.0000000;-1.3905289
2001.0000000;0.6330345
2002.0000000;-0.3861564
2003.0000000;-2.3932178