Year	Number
1996	0.556376993656158
1998	0.430778682231903
2000	0.420466750860214
2002	0.536757171154022
2003	0.619481265544891
2004	0.598914623260498
2005	0.581382811069489
2006	0.421107769012451
2007	0.533249735832214
2008	0.51762855052948
2009	0.415621072053909
2010	0.388349592685699
2011	0.411628901958466
2012	0.422315120697021
2013	0.379214346408844
2014	0.298719048500061
2015	0.451840460300446
2016	0.497938424348831
2017	0.367220342159271
2018	0.254732549190521
2019	0.375697076320648
2020	0.167751252651215
2021	0.323804676532745
2022	0.463997155427933