Year	Number
1996	44.0860214233398
1998	35.8288764953613
2000	40.957447052002
2002	56.6137580871582
2003	50.2645492553711
2004	44.3349761962891
2005	55.1219520568848
2006	51.7073173522949
2007	51.9417457580566
2008	49.029125213623
2009	46.8899536132813
2010	42.3809509277344
2011	38.8625602722168
2012	29.3838863372803
2013	23.222749710083
2014	21.634614944458
2015	20
2016	16.1904754638672
2017	13.3333330154419
2018	14.7619047164917
2019	14.7619047164917
2020	16.6666660308838
2021	18.5714282989502
2022	17.9245281219482