Jahr,Veränderung
1980,0.545747847
1981,0.416241085
1982,0.587793165
1983,0.607177853
1984,0.637758506
1985,0.77955136
1986,0.506033817
1987,1.060200173
1988,0.464098225
1989,0.468829902
1990,0.694189001
1991,0.720836289
1992,-0.161522955
1993,0.471413184
1994,0.325232774
1995,0.370995472
1996,0.553064392
1997,0.50168593
1998,0.645018656
1999,0.730292695
2000,0.300329023
2001,0.293326722
2002,0.958795743
2003,0.537190861
2004,0.246177135
2005,0.315469204
2006,0.467989657
2007,0.631587536
2008,0.665583159
2009,0.558673535
2010,0.394287025
2011,0.466354313
2012,0.33605013
2013,0.754389815
2014,0.921555325
2015,0.816908484
2016,0.688868613
2017,0.501179759
2018,0.343666446
2019,0.442713373
2020,0.497878768
2021,0.765543687
2022,1.4049525