Year	%
2000	5.65443767887611
2001	5.28093228164672
2002	5.01510877987419
2003	4.50665055468557
2004	3.78623062628914
2005	3.51683088621881
2006	3.25736508393151
2007	2.98764092852815
2008	2.83711352409217
2009	2.59547827662312
2010	2.40016771331255
2011	2.08431212333588
2012	1.90255012373833
2013	1.82803731590343
2014	1.83535683190457
2015	1.63455218666389
2016	1.61347432364468
2017	1.51538755769886
2018	1.40142649738485
2019	1.29338758381748
2020	1.26387682693004