1967.0000000;-0.6830052
1968.0000000;-0.3857652
1969.0000000;-0.4300866
1970.0000000;-0.8312471
1971.0000000;-1.3761078
1972.0000000;-0.5144507
1973.0000000;-1.4207880
1974.0000000;-0.5663291
1975.0000000;-0.3833721
1976.0000000;-1.1577244
1977.0000000;0.1271418
1978.0000000;0.5948632
1979.0000000;0.0444374
1980.0000000;0.5051814
1981.0000000;0.2769641
1982.0000000;0.2427310
1983.0000000;-0.1878852
1984.0000000;0.4881077
1985.0000000;-0.3059676
1986.0000000;-1.1082560
1987.0000000;0.0169436
1988.0000000;0.1623018
1989.0000000;-1.2584929
1990.0000000;-1.2163539
1991.0000000;-1.0787764
1992.0000000;-0.9481021
1993.0000000;-0.4518147
1994.0000000;-0.3444032
1995.0000000;0.7805644
1996.0000000;-0.3784361
1997.0000000;-0.8599955
1998.0000000;-1.7350245
1999.0000000;-1.1001819
2000.0000000;-1.0628892
2001.0000000;0.1768145
2002.0000000;-1.3466887
2003.0000000;-3.1599824