Year	annual %
1981	10.185059303269853
1982	-4.019361306501381
1983	-1.36106232155565
1984	-5.09832004017845
1985	-15.456872827378461
1986	7.15678286992771
1987	11.337127376798776
1988	-8.773053047380714
1989	1.1092735093280623
1990	2.3283464375740266
1991	6.250744430981797
1992	1.4569431943554747
1993	-4.94539012551472
1994	-1.5427097106735488
1995	2.988156624452685
1996	-1.555557693246996
1997	1.2220435637127594
1998	1.399153774493115
1999	-1.606214558232466
2000	3.256808733404398
2001	-1.6218603805864404
2002	4.679645817566808
2003	5.844869517402373
2004	7.452111520531204
2005	-1.306593316371945
2006	6.518896105494676
2007	1.9706880228920198
2008	1.332588786361228
2009	-1.3787340736400893
2010	2.3075758741359635
2011	4.602006559559484
2012	3.4988588143956463
2013	7.723110666167557
2014	3.940938540322051
2015	2.869012957365385
2016	-3.5750804969042633
2017	-2.6463223530274007
2018	-2.6786588471730823
2019	-1.191579847712191
2020	-7.634091883155804
2021	-1.7544426761035652
2022	3.5143233290570777
2023	1.6201458844137022