Year	Number
1996	42.6229515075684
1998	46.9945373535156
2000	45.9016380310059
2002	52.972972869873
2003	49.7297286987305
2004	45.2736320495605
2005	43.6274528503418
2006	37.5609741210938
2007	35.4368934631348
2008	36.8932037353516
2009	31.1004791259766
2010	36.3636360168457
2011	34.1232223510742
2012	31.7535552978516
2013	35.0710906982422
2014	37.5
2015	35.7142868041992
2016	48.5714302062988
2017	41.4285697937012
2018	44.761905670166
2019	41.4285697937012
2020	37.1428565979004
2021	33.3333320617676
2022	34.9056587219238