1967.0000000;-0.6745754
1968.0000000;0.0650875
1969.0000000;-0.5389848
1970.0000000;-0.8423358
1971.0000000;-0.9500576
1972.0000000;-0.2468120
1973.0000000;-1.5715575
1974.0000000;-0.9357595
1975.0000000;-0.3899677
1976.0000000;-1.1529901
1977.0000000;0.4011875
1978.0000000;0.5237715
1979.0000000;-0.2030160
1980.0000000;0.3206343
1981.0000000;0.0724142
1982.0000000;-0.2099675
1983.0000000;-0.2403071
1984.0000000;0.3203660
1985.0000000;-0.3885177
1986.0000000;-1.4603349
1987.0000000;-0.4753171
1988.0000000;-0.0955542
1989.0000000;-1.3424435
1990.0000000;-1.1554906
1991.0000000;-0.6888101
1992.0000000;-0.5553688
1993.0000000;-0.5754268
1994.0000000;-0.5805582
1995.0000000;0.4974056
1996.0000000;-0.1365819
1997.0000000;-0.9331317
1998.0000000;-1.6551768
1999.0000000;-0.8881396
2000.0000000;-1.2786129
2001.0000000;0.2296859
2002.0000000;-1.4503770
2003.0000000;-2.9655554