Year	%
2000	21.215964833505
2001	17.9071007297324
2002	11.0172196258194
2003	8.38582572565641
2004	6.07354427319199
2005	5.27560000618114
2006	3.99876150251155
2007	3.01859191826486
2008	3.09119803439691
2009	5.8712072518763
2010	11.421782175376
2011	11.7997140822193
2012	13.4656882284517
2013	15.1198478740683
2014	14.1653123764986
2015	13.7084158662801
2016	11.7777190845963
2017	10.0462751524632
2018	8.77033547967657
2019	7.41165705829786
2020	6.12240215634338
2021	5.77886406049307
2022	4.53846610334628