1967.0000000;-0.3537423
1968.0000000;-0.7909688
1969.0000000;-1.3430841
1970.0000000;-1.0776401
1971.0000000;-1.7602348
1972.0000000;-0.9583200
1973.0000000;-1.5823964
1974.0000000;-1.1209705
1975.0000000;-0.4823365
1976.0000000;-1.7324901
1977.0000000;0.4104412
1978.0000000;0.5147444
1979.0000000;0.0530109
1980.0000000;0.8422774
1981.0000000;0.3730633
1982.0000000;-0.0054731
1983.0000000;-0.1104105
1984.0000000;0.6606294
1985.0000000;0.4307423
1986.0000000;-1.6719246
1987.0000000;0.1875077
1988.0000000;0.2053521
1989.0000000;-1.5804317
1990.0000000;-1.7492236
1991.0000000;-1.5050387
1992.0000000;-1.0200624
1993.0000000;-0.5942014
1994.0000000;-1.0668191
1995.0000000;0.9317708
1996.0000000;-0.6073833
1997.0000000;-1.1263952
1998.0000000;-1.9451457
1999.0000000;-0.6236436
2000.0000000;-1.5687667
2001.0000000;0.4367253
2002.0000000;-1.5716356
2003.0000000;-3.4140837