Year	Number
1996	32.1608047485352
1998	24.5
2000	42.7860679626465
2002	42.7860679626465
2003	44.2786064147949
2004	40.8653831481934
2005	41.1483268737793
2006	49.7607650756836
2007	48.3253593444824
2008	46.1538467407227
2009	46.445499420166
2010	46.9194297790527
2011	49.2957763671875
2012	49.7652587890625
2013	52.582160949707
2014	49.519229888916
2015	53.3333320617676
2016	45.7142868041992
2017	50.476188659668
2018	48.5714302062988
2019	47.1428565979004
2020	42.8571434020996
2021	40.9523811340332
2022	40.5660362243652