Year	Number
1996	0.231270432472229
1998	0.00787538941949606
2000	0.248432531952858
2002	0.263644099235535
2003	0.316652774810791
2004	0.355422109365463
2005	0.424785822629929
2006	0.474477261304855
2007	0.45094159245491
2008	0.524226605892181
2009	0.356679856777191
2010	0.349292427301407
2011	0.280382126569748
2012	0.307248294353485
2013	0.370564639568329
2014	0.544822037220001
2015	0.634750008583069
2016	0.6731316447258
2017	0.638509929180145
2018	0.640438854694366
2019	0.610411107540131
2020	0.59608781337738
2021	0.392701923847198
2022	0.49952158331871