1967.0000000;-0.3037201
1968.0000000;0.1497013
1969.0000000;-0.1621161
1970.0000000;-0.0502340
1971.0000000;-0.9965003
1972.0000000;-0.2952479
1973.0000000;-0.6687131
1974.0000000;-0.6079305
1975.0000000;-0.0995540
1976.0000000;-1.1820924
1977.0000000;0.5224571
1978.0000000;0.8845465
1979.0000000;0.2474403
1980.0000000;0.8075360
1981.0000000;0.4247938
1982.0000000;0.1799845
1983.0000000;-0.0906636
1984.0000000;0.5536671
1985.0000000;-0.1126323
1986.0000000;-1.1723174
1987.0000000;0.2374189
1988.0000000;0.2941580
1989.0000000;-1.4167745
1990.0000000;-1.2471180
1991.0000000;-0.4983947
1992.0000000;-0.4836770
1993.0000000;-0.4162002
1994.0000000;-0.2267081
1995.0000000;0.9609654
1996.0000000;-0.0101453
1997.0000000;-0.3952039
1998.0000000;-0.8732662
1999.0000000;-0.4654054
2000.0000000;-0.3581938
2001.0000000;0.4944039
2002.0000000;-0.5153027
2003.0000000;-2.7515316