Year	annual %
1997	1.550806034163415
1998	-7.811250395006013
1999	-2.3878643056339968
2000	4.050440564179894
2001	8.557165196648683
2002	10.08635662560799
2003	8.239256627670358
2004	9.09228575232386
2005	7.204522559575594
2006	3.2804866423434333
2007	0.9969450706944087
2008	8.030214573845356
2009	-9.1962870803832
2010	8.971779975955968
2011	5.539587995821634
2012	1.7431737027538787
2013	9.10610447819866
2014	4.391634088134438
2015	-3.000838248935864
2016	4.451329998349166
2017	4.474299797754043
2018	3.0220770392499077
2019	4.064015966874649
2020	-9.843395980287553
2021	12.265717380797668
2022	-6.482713292569571
2023	1.6713165912207728