1967.0000000;-1.0672846
1968.0000000;0.2976658
1969.0000000;-0.2172890
1970.0000000;-0.7889859
1971.0000000;-0.6696402
1972.0000000;0.0134075
1973.0000000;-1.0680573
1974.0000000;-1.0046451
1975.0000000;0.1666051
1976.0000000;-1.1146698
1977.0000000;0.5812516
1978.0000000;0.4884307
1979.0000000;-0.4651838
1980.0000000;0.1055515
1981.0000000;-0.2836862
1982.0000000;-0.2589556
1983.0000000;-0.2938739
1984.0000000;0.4726767
1985.0000000;-0.5277807
1986.0000000;-1.2610955
1987.0000000;-0.4268598
1988.0000000;-0.0283402
1989.0000000;-1.6051217
1990.0000000;-0.9687474
1991.0000000;-0.7726818
1992.0000000;-0.8260717
1993.0000000;-0.5793443
1994.0000000;-0.1855407
1995.0000000;0.3799453
1996.0000000;-0.1204439
1997.0000000;-0.2991090
1998.0000000;-1.4196579
1999.0000000;-0.4800290
2000.0000000;-0.8700255
2001.0000000;0.7713383
2002.0000000;-0.4300154
2003.0000000;-2.5079203
2004.0000000;-2.0791135
2005.0000000;-2.1957006
2006.0000000;-1.8021833
2007.0000000;-1.3158653
2008.0000000;-0.8679163
2009.0000000;-2.1875930
2010.0000000;-0.7859899
2011.0000000;-2.3459232
2012.0000000;-2.0018630
2013.0000000;-0.6952795
2014.0000000;-0.9404556
2015.0000000;-2.1900597