1967.0000000;-1.5437051
1968.0000000;0.0714392
1969.0000000;-0.6696610
1970.0000000;-1.1322515
1971.0000000;-1.1727569
1972.0000000;-0.1883176
1973.0000000;-1.5856531
1974.0000000;-1.3635868
1975.0000000;-0.0597705
1976.0000000;-1.4472086
1977.0000000;0.5185355
1978.0000000;0.2403120
1979.0000000;-1.0114770
1980.0000000;-0.1313827
1981.0000000;-0.9845307
1982.0000000;-0.6817348
1983.0000000;-0.5717390
1984.0000000;0.5834670
1985.0000000;-0.7918351
1986.0000000;-1.4437220
1987.0000000;-0.6175790
1988.0000000;-0.3571293
1989.0000000;-1.7275500
1990.0000000;-0.9547030
1991.0000000;-1.2166861
1992.0000000;-1.1247320
1993.0000000;-0.7787890
1994.0000000;-0.4638256
1995.0000000;0.2248893
1996.0000000;-0.3357159
1997.0000000;-0.4302515
1998.0000000;-1.6199429
1999.0000000;-0.7026619
2000.0000000;-1.1095153
2001.0000000;0.4505577
2002.0000000;-0.9593105
2003.0000000;-2.5633636