1967.0000000;-0.9013325
1968.0000000;-0.3676780
1969.0000000;-0.7167498
1970.0000000;-1.2417197
1971.0000000;-1.0904762
1972.0000000;-0.3548100
1973.0000000;-1.8630362
1974.0000000;-1.1419868
1975.0000000;-0.4336594
1976.0000000;-1.2312384
1977.0000000;0.5978624
1978.0000000;0.5058798
1979.0000000;-0.1677905
1980.0000000;0.3949218
1981.0000000;0.0205177
1982.0000000;-0.2643382
1983.0000000;-0.3203929
1984.0000000;0.2962601
1985.0000000;-0.4762565
1986.0000000;-1.5955653
1987.0000000;-0.5879725
1988.0000000;-0.1433412
1989.0000000;-1.5291901
1990.0000000;-1.5109673
1991.0000000;-0.7533700
1992.0000000;-0.7145649
1993.0000000;-0.5789832
1994.0000000;-0.5926213
1995.0000000;0.3672375
1996.0000000;-0.3003149
1997.0000000;-1.2185202
1998.0000000;-1.8319366
1999.0000000;-1.0416570
2000.0000000;-1.4177783
2001.0000000;0.3743757
2002.0000000;-1.7196524
2003.0000000;-3.1989222