1967.0000000;-1.3177084
1968.0000000;0.7304699
1969.0000000;-0.0168531
1970.0000000;-0.6288754
1971.0000000;-0.0476128
1972.0000000;0.1022693
1973.0000000;-0.4476153
1974.0000000;-0.9778046
1975.0000000;-0.4627477
1976.0000000;-1.0026727
1977.0000000;0.9067793
1978.0000000;0.5470158
1979.0000000;-0.0707975
1980.0000000;-0.1589698
1981.0000000;-0.5322114
1982.0000000;-0.5594352
1983.0000000;-0.1577809
1984.0000000;0.1808702
1985.0000000;-0.8427948
1986.0000000;-1.3026029
1987.0000000;-0.3470800
1988.0000000;-0.4052307
1989.0000000;-1.6295583
1990.0000000;-0.3293353
1991.0000000;-0.9808507
1992.0000000;-0.5579861
1993.0000000;-0.5846002
1994.0000000;-0.3972365
1995.0000000;-0.0086010
1996.0000000;0.1094195
1997.0000000;-0.1371719
1998.0000000;-1.4252856
1999.0000000;-1.0881250
2000.0000000;-1.1919146
2001.0000000;0.7153037
2002.0000000;-0.4907051
2003.0000000;-1.7493865