Year	Number
1996	62.3115577697754
1998	62.5
2000	48.2587051391602
2002	48.756217956543
2003	44.2786064147949
2004	42.788459777832
2005	50.2392349243164
2006	49.7607650756836
2007	48.3253593444824
2008	45.6730766296387
2009	44.5497627258301
2010	45.0236968994141
2011	46.478874206543
2012	46.478874206543
2013	47.8873252868652
2014	52.4038467407227
2015	50.9523811340332
2016	49.0476188659668
2017	45.238094329834
2018	41.4285697937012
2019	43.3333320617676
2020	38.5714302062988
2021	38.0952377319336
2022	43.3962249755859