Year	%
2008	2.82387346236027
2009	4.49075321988402
2010	5.45823355942604
2011	5.29287307900868
2012	5.35167967265287
2013	5.26338617282875
2014	5.63910825786119
2015	5.43997199514248
2016	4.52193536660192
2017	3.682523035196
2018	3.09590989646024
2019	1.69280340962665
2020	1.91231094967574
2021	1.702001479324
2022	1.45546035998428