1967.0000000;-1.5186460
1968.0000000;0.9149444
1969.0000000;-0.9195721
1970.0000000;-0.8354362
1971.0000000;-0.8337831
1972.0000000;-0.1899606
1973.0000000;-0.6911921
1974.0000000;-1.0036409
1975.0000000;-0.8030752
1976.0000000;-1.2624922
1977.0000000;0.3390837
1978.0000000;-0.0517263
1979.0000000;-1.1175652
1980.0000000;-0.7604256
1981.0000000;-1.3084921
1982.0000000;-1.3054099
1983.0000000;-0.1628094
1984.0000000;0.4296018
1985.0000000;-0.8230385
1986.0000000;-1.1663687
1987.0000000;-0.2588989
1988.0000000;-0.6184998
1989.0000000;-1.5835534
1990.0000000;-0.3394518
1991.0000000;-1.4142020
1992.0000000;-0.1494341
1993.0000000;-0.7156676
1994.0000000;-0.4534414
1995.0000000;0.0698070
1996.0000000;-0.1545626
1997.0000000;-0.4788497
1998.0000000;-1.6468163
1999.0000000;-1.1752331
2000.0000000;-1.1898656
2001.0000000;-0.0071410
2002.0000000;-0.2575200
2003.0000000;-1.7897395
2004.0000000;-1.8934455
2005.0000000;-2.0069246
2006.0000000;-1.5383012
2007.0000000;-1.4866185
2008.0000000;-0.7463350
2009.0000000;-1.5674847
2010.0000000;-0.9182669
2011.0000000;-1.9470708
2012.0000000;-1.6844275
2013.0000000;-0.8101015
2014.0000000;-0.7543232
2015.0000000;-0.9320272