Year	Number
1996	0.323560953140259
1998	0.333779960870743
2000	0.897578895092011
2002	0.89507007598877
2003	0.911131322383881
2004	0.460913151502609
2005	0.517324984073639
2006	0.567534446716309
2007	0.590501487255096
2008	0.509779751300812
2009	0.408267706632614
2010	0.264050841331482
2011	0.29826694726944
2012	0.335755437612534
2013	0.36694523692131
2014	0.230402737855911
2015	0.124421708285809
2016	0.40265017747879
2017	0.544383764266968
2018	0.391720503568649
2019	0.210106045007706
2020	0.297599732875824
2021	0.447897672653198
2022	0.320615470409393