Year	Number
1996	0.809140563011169
1998	0.876508176326752
2000	0.839712262153625
2002	0.83394581079483
2003	0.833284139633179
2004	0.826330423355103
2005	0.776517033576965
2006	0.984307050704956
2007	0.876864910125732
2008	0.901979088783264
2009	0.943857252597809
2010	0.882354259490967
2011	0.939608097076416
2012	0.926880657672882
2013	0.92919784784317
2015	1.51298904418945
2016	1.51331186294556
2017	1.5349280834198
2018	1.53662586212158
2019	1.51048481464386
2020	1.61627840995789
2021	1.64212965965271
2022	1.74978172779083