Year	%
2001	6.790841161611609
2002	8.650537734401517
2003	12.311923468591349
2004	9.100223701289735
2005	12.432997949493611
2006	6.380426114761797
2007	5.34578848124175
2008	3.392832305012561
2009	5.416263456071023
2010	5.094300509366591
2011	4.821090721009034
2012	6.637619364358417
2013	6.545156674919005
2014	9.186779205652758
2015	7.024046540007206
2016	9.2594621341791
2017	7.932364804641022
2018	6.489888199476438
2019	7.911745696666025
2020	7.809799346463038
2021	6.630110607201992
2022	8.438322285977332
2023	4.3723961038195