1967.0000000;-0.7964282
1968.0000000;-0.9220841
1969.0000000;-1.0914577
1970.0000000;-0.8611276
1971.0000000;-1.6092083
1972.0000000;-0.5265719
1973.0000000;-1.6245481
1974.0000000;-0.6209207
1975.0000000;-0.6369845
1976.0000000;-1.2474515
1977.0000000;-0.0844008
1978.0000000;0.3773503
1979.0000000;-0.1316121
1980.0000000;0.3734389
1981.0000000;-0.0269660
1982.0000000;0.0009611
1983.0000000;-0.4375418
1984.0000000;0.3574156
1985.0000000;-0.3821153
1986.0000000;-1.3450978
1987.0000000;-0.1421842
1988.0000000;0.0410624
1989.0000000;-1.3576373
1990.0000000;-1.2089137
1991.0000000;-0.9665644
1992.0000000;-0.9813189
1993.0000000;-0.6061738
1994.0000000;-0.6888183
1995.0000000;0.6690208
1996.0000000;-0.6418695
1997.0000000;-1.0596359
1998.0000000;-1.6596611
1999.0000000;-1.1684530
2000.0000000;-1.2738253
2001.0000000;-0.1323947
2002.0000000;-1.3194247
2003.0000000;-2.8473201