1967.0000000;-1.3879313
1968.0000000;-0.0213819
1969.0000000;-0.2475200
1970.0000000;-1.1357996
1971.0000000;-1.2781107
1972.0000000;-0.2339202
1973.0000000;-1.3188097
1974.0000000;-1.2015431
1975.0000000;-0.1244136
1976.0000000;-0.4877564
1977.0000000;0.5430799
1978.0000000;0.4388860
1979.0000000;-1.0735822
1980.0000000;0.1929342
1981.0000000;-0.2088824
1982.0000000;-0.8378263
1983.0000000;-0.8222994
1984.0000000;0.6536159
1985.0000000;-0.3313406
1986.0000000;-1.4006715
1987.0000000;-1.0410594
1988.0000000;-0.5566727
1989.0000000;-1.6420412
1990.0000000;-1.6623149
1991.0000000;-1.8065886
1992.0000000;-1.7772989
1993.0000000;-0.9380434
1994.0000000;-0.7546716
1995.0000000;0.4232480
1996.0000000;-0.5290999
1997.0000000;-1.0766571
1998.0000000;-1.9529340
1999.0000000;-0.9469683
2000.0000000;-1.3995318
2001.0000000;0.7186544
2002.0000000;-0.2080602
2003.0000000;-2.5592704