Year	Number
1996	0.449879705905914
1998	0.552288770675659
2000	0.218402534723282
2002	0.397895067930222
2003	0.485247015953064
2004	0.560759305953979
2005	0.577139496803284
2006	0.706575036048889
2007	0.685900151729584
2008	0.684017598628998
2009	0.722068607807159
2010	0.776326060295105
2011	0.768031179904938
2012	0.844753980636597
2013	0.82997727394104
2014	0.937443315982819
2015	0.978192210197449
2016	0.997327029705048
2017	0.961101293563843
2018	0.923340857028961
2019	0.986618876457214
2020	0.95027482509613
2021	1.07493472099304
2022	1.06027901172638