1967.0000000;-1.3299884
1968.0000000;0.1880364
1969.0000000;-0.5083743
1970.0000000;-0.9916534
1971.0000000;-0.8919611
1972.0000000;-0.0019095
1973.0000000;-1.3059417
1974.0000000;-1.1592453
1975.0000000;0.1371834
1976.0000000;-1.2197922
1977.0000000;0.4205991
1978.0000000;0.3104790
1979.0000000;-0.7961268
1980.0000000;-0.1116210
1981.0000000;-0.6179194
1982.0000000;-0.5490034
1983.0000000;-0.4042979
1984.0000000;0.6229559
1985.0000000;-0.4818418
1986.0000000;-1.3334515
1987.0000000;-0.6126435
1988.0000000;-0.1293668
1989.0000000;-1.5379752
1990.0000000;-1.0812547
1991.0000000;-0.9599748
1992.0000000;-0.9054551
1993.0000000;-0.6172737
1994.0000000;-0.3679978
1995.0000000;0.4244644
1996.0000000;-0.3893018
1997.0000000;-0.5419927
1998.0000000;-1.5421708
1999.0000000;-0.4867119
2000.0000000;-0.9560376
2001.0000000;0.7002980
2002.0000000;-0.4608803
2003.0000000;-2.5930233