1967.0000000;-0.9542181
1968.0000000;0.0121267
1969.0000000;-0.7253416
1970.0000000;-1.1095169
1971.0000000;-1.0677891
1972.0000000;-0.2622463
1973.0000000;-1.7368474
1974.0000000;-1.3265302
1975.0000000;-0.1080070
1976.0000000;-1.3603361
1977.0000000;0.5720383
1978.0000000;0.4216039
1979.0000000;-0.4790262
1980.0000000;0.2346204
1981.0000000;-0.2218925
1982.0000000;-0.2476100
1983.0000000;-0.2946750
1984.0000000;0.4094251
1985.0000000;-0.6942598
1986.0000000;-1.3952014
1987.0000000;-0.5012156
1988.0000000;-0.2152721
1989.0000000;-1.6239305
1990.0000000;-1.3423560
1991.0000000;-0.8665127
1992.0000000;-1.0193871
1993.0000000;-0.5735748
1994.0000000;-0.2493272
1995.0000000;0.3046876
1996.0000000;-0.2948662
1997.0000000;-0.6703485
1998.0000000;-1.6235044
1999.0000000;-0.8016409
2000.0000000;-1.0983586
2001.0000000;0.9564892
2002.0000000;-1.1720312
2003.0000000;-2.6943667