Year	Number
2004	68.75
2005	64.5932998657227
2006	62.6794242858887
2007	57.8947372436523
2008	58.6538467407227
2009	59.2417068481445
2010	60.6635055541992
2011	59.1549301147461
2012	59.1549301147461
2013	59.1549301147461
2014	20.6730766296387
2015	57.1428565979004
2016	45.238094329834
2017	45.7142868041992
2018	60.476188659668
2019	59.0476188659668
2020	53.8095245361328
2021	54.761905670166
2022	56.6037750244141