1967.0000000;-1.1981392
1968.0000000;-0.0823159
1969.0000000;-0.9584480
1970.0000000;-0.6320920
1971.0000000;-1.7018284
1972.0000000;-0.6804335
1973.0000000;-1.0069643
1974.0000000;-1.0415022
1975.0000000;-0.6310065
1976.0000000;-1.6100149
1977.0000000;-0.1953528
1978.0000000;0.3805852
1979.0000000;-0.3776672
1980.0000000;0.3231835
1981.0000000;0.0920077
1982.0000000;-0.0107459
1983.0000000;-0.2805640
1984.0000000;1.0260339
1985.0000000;0.3380563
1986.0000000;-1.3348023
1987.0000000;-0.2776791
1988.0000000;0.1205282
1989.0000000;-1.4846023
1990.0000000;-1.5984390
1991.0000000;-1.6772128
1992.0000000;-1.6410393
1993.0000000;-0.6842759
1994.0000000;-0.4209017
1995.0000000;0.7919615
1996.0000000;-0.2953519
1997.0000000;-0.8610876
1998.0000000;-1.7471811
1999.0000000;-0.7716237
2000.0000000;-0.8816826
2001.0000000;0.6453546
2002.0000000;-0.9927239
2003.0000000;-2.4267330