1967.0000000;-1.3585572
1968.0000000;0.8947524
1969.0000000;-0.4133194
1970.0000000;-0.6399955
1971.0000000;-0.7391626
1972.0000000;0.1700327
1973.0000000;-1.0042779
1974.0000000;-0.9235199
1975.0000000;-0.0118004
1976.0000000;-1.1954594
1977.0000000;0.4773873
1978.0000000;0.3199307
1979.0000000;-0.9005251
1980.0000000;-0.3308587
1981.0000000;-0.3670285
1982.0000000;-0.7647293
1983.0000000;-0.2080111
1984.0000000;0.8992253
1985.0000000;-0.4647018
1986.0000000;-1.3413043
1987.0000000;-0.3692169
1988.0000000;-0.2517757
1989.0000000;-1.6352004
1990.0000000;-0.6804035
1991.0000000;-1.1650636
1992.0000000;-0.9470608
1993.0000000;-0.4660073
1994.0000000;-0.2174352
1995.0000000;0.4016091
1996.0000000;-0.1602661
1997.0000000;-0.1738860
1998.0000000;-1.5423203
1999.0000000;-0.4614132
2000.0000000;-0.9234791
2001.0000000;0.6470085
2002.0000000;-0.0241734
2003.0000000;-2.3171721
2004.0000000;-2.1505888
2005.0000000;-2.2329149
2006.0000000;-1.7286673
2007.0000000;-1.1453550
2008.0000000;-1.1327209
2009.0000000;-1.9776107
2010.0000000;-0.8399445
2011.0000000;-2.1311722
2012.0000000;-1.9171411
2013.0000000;-0.5862739
2014.0000000;-0.7448472
2015.0000000;-1.7181113