Year	Number
1996	64.8936157226563
1998	69.1489334106445
2000	69.3121719360352
2002	74.0740737915039
2003	58.2914581298828
2004	51.9417457580566
2005	53.8834953308105
2006	43.961353302002
2007	43.4782600402832
2008	46.6346168518066
2009	48.8151664733887
2010	48.8151664733887
2011	47.3933639526367
2012	45.0236968994141
2013	44.5497627258301
2014	39.523811340332
2015	47.6190490722656
2016	29.5238094329834
2017	40.9523811340332
2018	43.8679237365723
2019	55.6603775024414
2020	55.1886787414551
2021	48.113208770752
2022	48.5849075317383