1967.0000000;-1.5105202 1968.0000000;0.3695184 1969.0000000;-0.3488469 1970.0000000;-0.9955652 1971.0000000;-0.4890690 1972.0000000;-0.0482692 1973.0000000;-1.3156857 1974.0000000;-1.1900275 1975.0000000;-0.5340070 1976.0000000;-1.2198050 1977.0000000;0.8222697 1978.0000000;0.2984562 1979.0000000;-0.5559093 1980.0000000;-0.4267128 1981.0000000;-1.0686805 1982.0000000;-0.8750098 1983.0000000;-0.2117600 1984.0000000;0.1669592 1985.0000000;-1.0282742 1986.0000000;-1.4466516 1987.0000000;-0.6855761 1988.0000000;-0.5962578 1989.0000000;-1.6300443 1990.0000000;-0.6195627 1991.0000000;-1.1290157 1992.0000000;-0.8263928 1993.0000000;-0.7485659 1994.0000000;-0.4723050 1995.0000000;-0.1246644 1996.0000000;-0.0491884 1997.0000000;-0.2163356 1998.0000000;-1.6074454 1999.0000000;-1.0241517 2000.0000000;-1.1632624 2001.0000000;0.7020060 2002.0000000;-0.6293823 2003.0000000;-1.9849832