Year	Number
1996	63.3165817260742
1998	64
2000	59.2039794921875
2002	58.2089538574219
2003	65.6716384887695
2004	50.961540222168
2005	46.4114837646484
2006	50.7177047729492
2007	52.1531105041504
2008	50
2009	45.971565246582
2010	44.5497627258301
2011	46.0093879699707
2012	43.1924896240234
2013	41.7840385437012
2014	37.980770111084
2015	37.6190490722656
2016	32.3809509277344
2017	47.1428565979004
2018	47.1428565979004
2019	49.0476188659668
2020	48.0952377319336
2021	47.1428565979004
2022	44.3396224975586