Year	Number
1996	39.6984939575195
1998	43
2000	40.7960205078125
2002	42.7860679626465
2003	42.7860679626465
2004	59.1346168518066
2005	59.3301429748535
2006	62.6794242858887
2007	61.2440185546875
2008	65.8653869628906
2009	64.4549789428711
2010	64.9289093017578
2011	63.8497657775879
2012	62.9107971191406
2013	63.3802833557129
2014	64.9038467407227
2015	63.8095245361328
2016	58.0952377319336
2017	59.0476188659668
2018	59.0476188659668
2019	57.1428565979004
2020	56.6666679382324
2021	55.238094329834
2022	56.6037750244141