Year	annual %
2002	0.9592879237423517
2003	-2.8130549094268105
2004	6.40244119286389
2005	-4.23036340340218
2006	0.7082906051872015
2007	-6.3181531645002025
2008	-5.960049981213686
2009	-37.05482591513558
2010	-31.507858721815623
2011	9.7964245756269
2012	-11.734860566556733
2013	4.1644020182068715
2014	11.251084183215653
2015	-19.81246235220563
2016	0.7587966893053704
2017	8.484941945838088
2018	5.2644654185615565
2019	9.102644417319851
2020	-13.19434592221262