Year	Number
2004	68.6567153930664
2005	66.1764678955078
2006	64.2156829833984
2007	52.4271850585938
2008	44.6601943969727
2009	43.0622024536133
2010	36.3636360168457
2011	40.7582931518555
2012	40.7582931518555
2013	47.3933639526367
2014	55.288459777832
2015	55.7142868041992
2016	60
2017	59.523811340332
2018	55.7142868041992
2019	57.6190490722656
2020	57.1428565979004
2021	63.8095245361328
2022	63.2075462341309