1967.0000000;-1.5620782 1968.0000000;0.8634292 1969.0000000;-0.6108195 1970.0000000;-0.6734637 1971.0000000;-1.2508779 1972.0000000;0.1027891 1973.0000000;-1.1530499 1974.0000000;-1.1208780 1975.0000000;0.0349010 1976.0000000;-1.3696822 1977.0000000;0.5304532 1978.0000000;0.4258554 1979.0000000;-1.0553094 1980.0000000;-0.1797820 1981.0000000;-0.3352656 1982.0000000;-0.7538030 1983.0000000;-0.3461838 1984.0000000;0.9832914 1985.0000000;-0.6772090 1986.0000000;-1.4650860 1987.0000000;-0.6544610 1988.0000000;-0.0174923 1989.0000000;-1.7375748 1990.0000000;-1.2231208 1991.0000000;-1.3056357 1992.0000000;-1.0288452 1993.0000000;-0.5633911 1994.0000000;-0.3215848 1995.0000000;0.4349794 1996.0000000;-0.4512618 1997.0000000;-0.3112930 1998.0000000;-1.7502301 1999.0000000;-0.6330599 2000.0000000;-1.1435827 2001.0000000;0.6646525 2002.0000000;-0.5029999 2003.0000000;-2.5844617