Year	Number
1996	36.9565200805664
1998	49.4565200805664
2000	47.8260879516602
2002	42.1621627807617
2003	47.5675659179688
2004	44.2786064147949
2005	53.4313735961914
2006	53.9215698242188
2007	52.4271850585938
2008	53.3980598449707
2009	53.1100463867188
2010	53.5885162353516
2011	55.9241714477539
2012	56.3981056213379
2013	57.3459701538086
2014	55.288459777832
2015	51.4285697937012
2016	49.523811340332
2017	40.9523811340332
2018	40
2019	40.476188659668
2020	38.5714302062988
2021	36.1904754638672
2022	29.7169818878174