1967.0000000;-1.5544143
1968.0000000;-0.1256084
1969.0000000;-0.3887902
1970.0000000;-1.0027398
1971.0000000;-1.1283859
1972.0000000;0.0336940
1973.0000000;-0.9949480
1974.0000000;-1.1052740
1975.0000000;-0.3043199
1976.0000000;-0.4833201
1977.0000000;0.4573991
1978.0000000;0.3937793
1979.0000000;-1.0478752
1980.0000000;-0.1892662
1981.0000000;-0.2095447
1982.0000000;-1.1158134
1983.0000000;-0.7536324
1984.0000000;0.7849087
1985.0000000;-0.0511713
1986.0000000;-1.3451220
1987.0000000;-1.2137039
1988.0000000;-0.9140861
1989.0000000;-1.6672611
1990.0000000;-1.6397634
1991.0000000;-1.8865881
1992.0000000;-1.6967096
1993.0000000;-0.8021647
1994.0000000;-0.8178570
1995.0000000;0.3077032
1996.0000000;-1.1092131
1997.0000000;-1.1242754
1998.0000000;-2.0312099
1999.0000000;-0.8131057
2000.0000000;-1.0357490
2001.0000000;0.6534981
2002.0000000;0.1145846
2003.0000000;-2.3339372