Year	annual %
1981	14.442828212220135
1982	40.418006635433414
1983	24.74977390746436
1984	25.637171780878077
1985	52.77478658976162
1986	-2.9234097160413626
1987	1.518170653753998
1988	3.976984503266422
1989	-4.795861341790399
1990	10.352526844009574
1991	3.552112541075658
1992	-15.423700484410602
1993	-2.693115419117703
1994	24.526346739067236
1995	7.680834092261165
1996	0.8211963619173588
1997	-13.147173669114622
1998	-31.565914979462377
1999	39.15762567091042
2000	64.73502229705576
2001	-11.97152743500584
2002	-1.5828902713967352
2003	0.6356219015635247
2004	16.922763507187355
2005	59.32905066977216
2006	12.976371200528789
2007	3.0376538593557
2008	19.840038932338615
2009	-20.83023095840882
2010	24.90653418024027
2011	17.045106569846993
2012	4.85478204392102
2013	-1.072673757068216
2014	-1.2738426468283421
2015	-20.192750367898455
2016	-6.285422111269895
2017	12.742383159472539
2018	9.513834296922525
2019	-3.163689833639367
2020	-10.168545745837264
2021	17.938630722271327
2022	19.73739510425534
2023	-7.360382256043707