1967.0000000;-0.3264135
1968.0000000;0.1050707
1969.0000000;-0.3203944
1970.0000000;-0.1077996
1971.0000000;-1.2616973
1972.0000000;-0.3994747
1973.0000000;-0.8815833
1974.0000000;-0.7221779
1975.0000000;-0.0845554
1976.0000000;-1.4094133
1977.0000000;0.5548515
1978.0000000;0.9132276
1979.0000000;0.2264331
1980.0000000;0.8921061
1981.0000000;0.4848377
1982.0000000;0.2140974
1983.0000000;-0.1023777
1984.0000000;0.5783546
1985.0000000;-0.1911142
1986.0000000;-1.3610828
1987.0000000;0.2386555
1988.0000000;0.1473243
1989.0000000;-1.8076143
1990.0000000;-1.6476779
1991.0000000;-0.6366453
1992.0000000;-0.8679142
1993.0000000;-0.5542594
1994.0000000;-0.3990319
1995.0000000;0.9680419
1996.0000000;-0.1829828
1997.0000000;-0.7355497
1998.0000000;-1.5182295
1999.0000000;-0.9059810
2000.0000000;-1.0116527
2001.0000000;0.1722107
2002.0000000;-1.6468775
2003.0000000;-3.5857706