1967.0000000;-0.3500282
1968.0000000;0.2371698
1969.0000000;-0.1092860
1970.0000000;-0.4959503
1971.0000000;-0.1361128
1972.0000000;0.0111458
1973.0000000;-0.5713956
1974.0000000;-0.2957228
1975.0000000;-0.0352902
1976.0000000;-0.5694956
1977.0000000;0.5512593
1978.0000000;0.6795685
1979.0000000;0.0022916
1980.0000000;0.3211874
1981.0000000;0.0581260
1982.0000000;-0.0883255
1983.0000000;-0.1157980
1984.0000000;-0.0898822
1985.0000000;-0.1721180
1986.0000000;-1.0354925
1987.0000000;-0.2800335
1988.0000000;0.0002398
1989.0000000;-0.9757590
1990.0000000;-0.8578452
1991.0000000;-0.3447652
1992.0000000;-0.5382357
1993.0000000;-0.4510586
1994.0000000;-0.4532915
1995.0000000;0.5039903
1996.0000000;0.0166229
1997.0000000;-0.6497293
1998.0000000;-1.4225290
1999.0000000;-0.3775178
2000.0000000;-0.5096203
2001.0000000;0.6888619
2002.0000000;0.0419459
2003.0000000;-2.6212115
2004.0000000;-1.0528342
2005.0000000;-1.1208953
2006.0000000;-1.0935167
2007.0000000;-0.0310631
2008.0000000;-0.8071020
2009.0000000;-1.5741532
2010.0000000;-0.1379207
2011.0000000;-1.4959459
2012.0000000;-1.2849441
2013.0000000;-0.1589392
2014.0000000;-0.3632855
2015.0000000;-2.3405018