Year	%
1995	8.82
1997	12.75
2002	8.04
2006	5.32
2007	6.14
2008	5.31
2009	4.61
2010	6.09
2011	5.02
2012	5.17
2013	5.9
2014	5.34
2015	5.05
2016	5.67
2017	4.02
2018	3.58
2019	20.91
2020	3.12
2021	3.01