Year	%
1997	0.615384615384615
1998	0.615384615384615
1999	0.615384615384615
2000	0.615384615384615
2001	0.615384615384615
2002	10.7692307692308
2003	10.7692307692308
2004	10.7692307692308
2005	10.7692307692308
2006	10.7692307692308
2007	10.4615384615385
2008	10.4615384615385
2009	10.4615384615385
2010	10.4615384615385
2011	16.9620253164557
2012	16.9620253164557
2013	16.9620253164557
2014	16.9620253164557
2015	16.9620253164557
2016	20.5063291139241
2017	20.5063291139241
2018	20.5063291139241
2019	20.5063291139241
2020	20.5063291139241
2021	22.7848101265823
2022	24.0506329113924
2023	24.3037974683544