1960.000000,-1.717593
1961.000000,-1.636354
1962.000000,-0.314870
1963.000000,0.694020
1964.000000,-1.146189
1965.000000,-1.656595
1966.000000,-1.695500
1967.000000,-2.297343
1968.000000,-0.506571
1969.000000,-0.671900
1970.000000,-0.936440
1971.000000,1.834879
1972.000000,0.752076
1973.000000,1.873208
1974.000000,0.102211
1975.000000,0.395315
1976.000000,-1.348499
1977.000000,-0.506161
1978.000000,0.427959
1979.000000,-0.465562
1980.000000,-1.006932
1981.000000,0.533953
1982.000000,1.209809
1983.000000,-0.278775
1984.000000,0.543935
1985.000000,0.366298
1986.000000,-0.294953
1987.000000,-2.441815
1988.000000,1.769045
1989.000000,-1.656650
1990.000000,-1.160873
1991.000000,2.159044
1992.000000,0.442871
1993.000000,1.264717
1994.000000,-1.248348
1995.000000,-2.204486
1996.000000,-1.150450
1997.000000,-0.975666
1998.000000,-0.505087
1999.000000,-1.684113
2000.000000,-1.143601
2001.000000,-1.086130
2002.000000,0.958351
2003.000000,-2.205013
2004.000000,-1.714225
2005.000000,-2.448242
2006.000000,-0.241183
2007.000000,-0.879678
2008.000000,-2.428934
2009.000000,-3.288679
2010.000000,0.224321
2011.000000,-1.512597
2012.000000,-0.613815
2013.000000,-2.660928
