1967.0000000;-1.2103633
1968.0000000;0.2240652
1969.0000000;-0.3002679
1970.0000000;-1.0583494
1971.0000000;-0.7886218
1972.0000000;-0.0648087
1973.0000000;-1.0560310
1974.0000000;-1.0247164
1975.0000000;-0.8565147
1976.0000000;-1.0633224
1977.0000000;0.8718688
1978.0000000;0.4847564
1979.0000000;-0.1742312
1980.0000000;-0.1567922
1981.0000000;-0.9719701
1982.0000000;-0.4570290
1983.0000000;-0.0759192
1984.0000000;0.1637509
1985.0000000;-1.0991664
1986.0000000;-1.4055297
1987.0000000;-0.8718147
1988.0000000;-0.6162511
1989.0000000;-1.6159365
1990.0000000;-0.9782761
1991.0000000;-0.9402567
1992.0000000;-0.7334427
1993.0000000;-0.8125566
1994.0000000;-0.4626527
1995.0000000;-0.0553578
1996.0000000;-0.2232807
1997.0000000;-0.6178911
1998.0000000;-1.7256821
1999.0000000;-1.2187344
2000.0000000;-1.6318517
2001.0000000;1.0029111
2002.0000000;-1.2804915
2003.0000000;-2.5802033
2004.0000000;-2.0715575
2005.0000000;-2.4417858
2006.0000000;-1.8530850
2007.0000000;-2.0757909
2008.0000000;-1.0999629
2009.0000000;-2.2884665
2010.0000000;-0.9698702
2011.0000000;-2.6452253
2012.0000000;-2.1680417
2013.0000000;-1.3093014
2014.0000000;-1.3833482
2015.0000000;-2.6054049