Year	Number
2004	71.4285736083984
2005	62.4390258789063
2006	59.0243911743164
2007	60.1941757202148
2008	58.737865447998
2009	54.0669860839844
2010	55.238094329834
2011	60.6635055541992
2012	59.2417068481445
2013	57.8199043273926
2014	63.461540222168
2015	62.8571434020996
2016	62.8571434020996
2017	63.8095245361328
2018	64.7619018554688
2019	64.7619018554688
2020	66.1904754638672
2021	61.9047622680664
2022	61.3207550048828