Year	%
1996	12.046244618992612
1997	9.233804481711127
1998	10.086918456004074
1999	9.468529359556971
2000	11.875577331433176
2001	9.842253153200696
2002	8.764676966442936
2003	8.696084683851282
2004	6.726159456025814
2005	6.797830724282478
2006	6.5828344144524715
2007	3.785733756230152
2008	0.3518525965160383
2009	1.0854664524448912
2010	4.601493618304972
2011	1.581792865310096
2012	1.4581422186192197
2013	1.8000832776230684
2014	2.62683888509774
2015	3.9190860096106466
2016	4.506464846671234
2017	4.951297774706238
2018	2.437118600010603
2019	6.753458796118793
2020	7.601182234580162
2021	4.906399624069497
2022	4.3515102815424