Year	Number
1996	46.1956520080566
1998	57.0652160644531
2000	48.3695640563965
2002	46.4864883422852
2003	47.5675659179688
2004	50.2487564086914
2005	43.1372566223145
2006	50.4901962280273
2007	53.8834953308105
2008	53.3980598449707
2009	52.1531105041504
2010	53.5885162353516
2011	55.9241714477539
2012	55.4502372741699
2013	54.9763031005859
2014	49.519229888916
2015	48.0952377319336
2016	44.761905670166
2017	47.1428565979004
2018	46.1904754638672
2019	45.238094329834
2020	45.238094329834
2021	45.238094329834
2022	45.2830200195313