Year	Number
1996	81.1827926635742
1998	81.2834243774414
2000	81.3829803466797
2002	73.5449752807617
2003	73.0158767700195
2004	72.9064025878906
2005	72.6829299926758
2006	72.6829299926758
2007	70.8737869262695
2008	67.4757308959961
2009	68.4210510253906
2010	66.1904754638672
2011	63.5071105957031
2012	59.2417068481445
2013	60.1895751953125
2014	59.6153831481934
2015	60
2016	61.4285697937012
2017	57.1428565979004
2018	58.0952377319336
2019	59.523811340332
2020	59.0476188659668
2021	60
2022	52.3584899902344