Year	%
1997	6.31578947368421
1998	6.31578947368421
1999	3.05343511450382
2000	3.05343511450382
2001	3.05343511450382
2002	3.05343511450382
2003	4.58015267175572
2004	5.34351145038168
2005	5.34351145038168
2006	5.34351145038168
2007	9.16030534351145
2008	8.3969465648855
2009	9.16030534351145
2010	9.16030534351145
2011	8.3969465648855
2012	10.6870229007634
2013	10.6870229007634
2014	10.6870229007634
2015	10.6870229007634
2016	10.6870229007634
2017	18.0952380952381
2018	18.0952380952381
2019	23.4848484848485
2020	23.4848484848485
2021	33.6448598130841
2022	35.5140186915888
2023	35.5140186915888