Year	Number
1996	42.5531921386719
1998	39.8936157226563
2000	32.2751312255859
2002	34.3915328979492
2003	34.6733665466309
2004	29.6116504669189
2005	37.3786392211914
2006	43.4782600402832
2007	48.7922706604004
2008	45.6730766296387
2009	34.1232223510742
2010	45.497631072998
2011	43.6018943786621
2012	41.7061614990234
2013	20.8530807495117
2014	5.7142858505249
2015	5.2380952835083
2016	6.66666650772095
2017	6.66666650772095
2018	5.66037750244141
2019	8.96226406097412
2020	12.2641506195068
2021	12.7358493804932
2022	5.66037750244141