Year	Number
1996	63.8297882080078
1998	73.9361724853516
2000	75.1322784423828
2002	76.1904754638672
2003	60.8040199279785
2004	62.6213607788086
2005	63.5922317504883
2006	65.2173919677734
2007	62.3188400268555
2008	54.3269233703613
2009	37.9146919250488
2010	40.7582931518555
2011	41.7061614990234
2012	39.3364944458008
2013	40.2843589782715
2014	40.476188659668
2015	38.0952377319336
2016	41.4285697937012
2017	41.4285697937012
2018	53.301887512207
2019	54.2452812194824
2020	51.4150924682617
2021	50.9433975219727
2022	49.0566024780273