1967.0000000;-1.4716799
1968.0000000;0.7783066
1969.0000000;-0.4458604
1970.0000000;-0.5800679
1971.0000000;-0.8560790
1972.0000000;0.2144250
1973.0000000;-1.0963781
1974.0000000;-0.9326422
1975.0000000;0.1761749
1976.0000000;-1.3114100
1977.0000000;0.4767532
1978.0000000;0.3935704
1979.0000000;-0.8753899
1980.0000000;-0.1445281
1981.0000000;-0.5202075
1982.0000000;-0.7172018
1983.0000000;-0.2278933
1984.0000000;1.0711923
1985.0000000;-0.1608088
1986.0000000;-1.3988918
1987.0000000;-0.2623425
1988.0000000;0.2084105
1989.0000000;-1.6644254
1990.0000000;-1.0806618
1991.0000000;-1.1432920
1992.0000000;-0.9804727
1993.0000000;-0.5274738
1994.0000000;-0.1631818
1995.0000000;0.5595907
1996.0000000;-0.2812163
1997.0000000;-0.2133372
1998.0000000;-1.6147115
1999.0000000;-0.3171634
2000.0000000;-0.9185084
2001.0000000;0.6151638
2002.0000000;-0.2237426
2003.0000000;-2.4144065
2004.0000000;-2.2234440
2005.0000000;-2.2741897
2006.0000000;-1.8366580
2007.0000000;-1.5244700
2008.0000000;-1.2636032
2009.0000000;-2.1627619
2010.0000000;-1.1490395
2011.0000000;-2.3205869
2012.0000000;-2.1945467
2013.0000000;-0.8314813
2014.0000000;-1.0536429
2015.0000000;-2.1496644