Year	Number
1996	0.808773279190063
1998	0.735702812671661
2000	0.773133337497711
2002	0.114022798836231
2003	0.18930858373642
2004	0.115224100649357
2005	0.150281816720963
2006	0.196952044963837
2007	0.311637252569199
2008	0.641149759292603
2009	0.269764304161072
2010	0.315519511699677
2011	0.277477234601974
2012	0.321495771408081
2013	0.30405580997467
2014	0.261683821678162
2015	0.270181685686111
2016	0.280886232852936
2017	0.261637181043625
2018	0.307371318340302
2019	0.327528208494186
2020	0.284111678600311
2021	0.236004292964935
2022	0.215328231453896