Year	Number
2007	71.3592224121094
2008	71.3592224121094
2009	66.5071792602539
2010	60.7655487060547
2011	57.3459701538086
2012	62.0853080749512
2013	62.0853080749512
2014	56.730770111084
2015	51.9047622680664
2016	57.6190490722656
2017	61.4285697937012
2018	56.1904754638672
2019	52.8571434020996
2020	56.1904754638672
2021	56.1904754638672
2022	51.886791229248