Year	annual %
1998	1.82751509450425
1999	1.55463608639049
2000	2.56773358739586
2001	2.70347841383587
2002	2.38676892433671
2003	2.45182791541232
2004	2.01088269657863
2005	1.6678752719362
2006	2.01207243460763
2007	-1.9723865877712
2008	2.83196979232221
2009	0.999377268139739
2010	1.43035574550051
2011	0.152699197986834
2012	3.12004460358166
2013	2.00061717503941
2014	0.388644528758022
2015	-0.742700250259659
2016	1.31670533841535
2017	1.74335583818231
2018	2.06429610353858
2019	0.914100159383906
2020	0.344576763138065
2021	6.94436298061723