1967.0000000;-0.9203216
1968.0000000;0.6124498
1969.0000000;-0.3101085
1970.0000000;-0.4283805
1971.0000000;-0.2833669
1972.0000000;0.0207833
1973.0000000;-1.1670333
1974.0000000;-0.7464617
1975.0000000;0.1287375
1976.0000000;-1.0432564
1977.0000000;0.2364293
1978.0000000;0.3549909
1979.0000000;-0.4288914
1980.0000000;-0.0099930
1981.0000000;-0.4579649
1982.0000000;-0.6604394
1983.0000000;-0.2242550
1984.0000000;0.8635598
1985.0000000;0.3189425
1986.0000000;-1.2600424
1987.0000000;0.0854205
1988.0000000;0.2019029
1989.0000000;-1.3873317
1990.0000000;-0.8893144
1991.0000000;-0.9346080
1992.0000000;-0.7876370
1993.0000000;-0.5546961
1994.0000000;-0.0902927
1995.0000000;0.5111938
1996.0000000;-0.2023927
1997.0000000;-0.2955797
1998.0000000;-1.3598194
1999.0000000;-0.1705095
2000.0000000;-0.5859929
2001.0000000;0.5104742
2002.0000000;0.0048907
2003.0000000;-2.0823715
2004.0000000;-1.9556415
2005.0000000;-1.8595443
2006.0000000;-1.4951538
2007.0000000;-0.8707823
2008.0000000;-0.5879362
2009.0000000;-1.6314968
2010.0000000;-0.6078817
2011.0000000;-1.8072879
2012.0000000;-1.7020426
2013.0000000;-0.3729130
2014.0000000;-0.8243803
2015.0000000;-1.3679469