Year	annual %
1981	0.9714495001507402
1982	-0.39809074411238043
1983	-1.8234503749055904
1984	-0.23689152504525168
1985	0.4641712618034006
1986	4.767269666328275
1987	3.5537691411760477
1988	0.8131489428211154
1989	1.8586749623072905
1990	2.047459939894324
1991	8.165612502627795
1992	7.189342522805248
1993	-1.5795391591690304
1994	1.7298794884707434
1995	3.899014221104295
1996	3.1913243011146903
1997	4.2201003038447595
1998	3.2915856206481777
1999	3.3692784244549756
2000	3.492183363651776
2001	1.1779486946791735
2002	4.788661218821105
2003	4.239794295821369
2004	12.269548103676883
2005	2.52926265819022
2006	7.073175318458254
2007	5.374044151676344
2008	2.6498120378026755
2009	0.29597091400108866
2010	6.039249479558578
2011	5.09133813864338
2012	5.0616820696264
2013	5.614719622544854
2014	6.092519159779556
2015	4.264174537636748
2016	0.03379445020632943
2017	-1.0272508270177383
2018	1.05994347072928
2019	-0.839154686169735
2020	-8.101400745762504
2021	3.6038291924870265
2022	5.349664085591016
2023	4.159985737793903