1967.0000000;-1.3101962
1968.0000000;0.7411453
1969.0000000;-0.0262813
1970.0000000;-0.6393423
1971.0000000;-0.0578729
1972.0000000;0.1068949
1973.0000000;-0.4241250
1974.0000000;-0.9401596
1975.0000000;-0.4098746
1976.0000000;-0.9617343
1977.0000000;0.9008908
1978.0000000;0.5428128
1979.0000000;-0.0706501
1980.0000000;-0.1623754
1981.0000000;-0.4967209
1982.0000000;-0.5507480
1983.0000000;-0.1553094
1984.0000000;0.1904624
1985.0000000;-0.8723317
1986.0000000;-1.3153967
1987.0000000;-0.3723255
1988.0000000;-0.4213201
1989.0000000;-1.6461043
1990.0000000;-0.3416342
1991.0000000;-0.9736801
1992.0000000;-0.5624771
1993.0000000;-0.6058403
1994.0000000;-0.4476695
1995.0000000;-0.0089291
1996.0000000;0.1076430
1997.0000000;-0.1498499
1998.0000000;-1.4573520
1999.0000000;-1.0543666
2000.0000000;-1.1977571
2001.0000000;0.7641032
2002.0000000;-0.4625469
2003.0000000;-1.8181932