Year	Billions of Swiss Francs
1980-01-01	6.296410381
1981-01-01	0.081310306
1982-01-01	2.706359781
1983-01-01	2.349103884
1984-01-01	-3.199069594
1985-01-01	-2.238970477
1986-01-01	1.617565914
1987-01-01	-0.477874662
1988-01-01	-2.484015010
1989-01-01	-1.905362375
1990-01-01	5.615055592
1991-01-01	-0.993245037
1992-01-01	-0.593024568
1993-01-01	1.362228661
1994-01-01	3.400180649
1995-01-01	2.857898748
1996-01-01	4.837053020
1997-01-01	0.311884747
1998-01-01	1.529643869
1999-01-01	-1.648325403
2000-01-01	-2.729453031
2001-01-01	1.490567344
2002-01-01	-5.565115833
2003-01-01	-3.895801848
2004-01-01	-14.357814921
2005-01-01	-1.895478091
2006-01-01	4.926906504
2007-01-01	-0.692723034
2008-01-01	7.623877294
2009-01-01	20.909419820
2010-01-01	6.305670773
2011-01-01	20.674151751
2012-01-01	3.493434823
2013-01-01	-6.712629205
2014-01-01	-4.157936669
2015-01-01	-4.677670161
2016-01-01	-8.004771565
2017-01-01	-7.116362051