1967.0000000;-0.9118735
1968.0000000;-0.2983705
1969.0000000;-0.8069203
1970.0000000;-0.4935645
1971.0000000;-1.4459174
1972.0000000;-0.5794424
1973.0000000;-1.2202322
1974.0000000;-0.7850708
1975.0000000;-0.3482632
1976.0000000;-1.4462329
1977.0000000;0.0815897
1978.0000000;0.4842212
1979.0000000;-0.0498542
1980.0000000;0.4707318
1981.0000000;0.1917103
1982.0000000;0.1471357
1983.0000000;-0.1323787
1984.0000000;1.2194557
1985.0000000;0.7450067
1986.0000000;-1.1584613
1987.0000000;0.2923144
1988.0000000;0.6534724
1989.0000000;-1.3710586
1990.0000000;-1.4731824
1991.0000000;-1.3639886
1992.0000000;-1.4164952
1993.0000000;-0.5472639
1994.0000000;-0.2144034
1995.0000000;0.9311591
1996.0000000;-0.0384336
1997.0000000;-0.7049025
1998.0000000;-1.5668899
1999.0000000;-0.6301965
2000.0000000;-0.5235788
2001.0000000;0.8071018
2002.0000000;-0.5590491
2003.0000000;-2.2145977