Year	Number
1996	59
1998	61.6915435791016
2000	65.6716384887695
2002	66.6666641235352
2003	66.1691513061523
2004	67.3076934814453
2005	62.980770111084
2006	57.211540222168
2007	57.211540222168
2008	57.211540222168
2009	58.2938385009766
2010	58.2938385009766
2011	56.3380279541016
2012	57.2769966125488
2013	57.2769966125488
2014	55.1724128723145
2015	50.2463035583496
2016	49.7536964416504
2017	49.2610855102539
2018	53.8834953308105
2019	53.6231880187988
2020	53.6231880187988
2021	51.6908226013184
2022	50.7246360778809