Year	Number
1996	65.0537643432617
1998	65.2406387329102
2000	61.1702117919922
2002	61.375659942627
2003	61.9047622680664
2004	54.1871910095215
2005	58.0487823486328
2006	50.2439041137695
2007	43.2038841247559
2008	43.2038841247559
2009	49.2822952270508
2010	45.7142868041992
2011	45.0236968994141
2012	45.0236968994141
2013	42.6540298461914
2014	49.519229888916
2015	45.7142868041992
2016	42.8571434020996
2017	58.0952377319336
2018	55.7142868041992
2019	53.3333320617676
2020	58.5714302062988
2021	49.523811340332
2022	49.0566024780273