Year	Number
2004	72.9064025878906
2005	77.5609741210938
2006	76.5853652954102
2007	76.6990280151367
2008	77.1844635009766
2009	77.0334930419922
2010	77.1428604125977
2011	75.8293838500977
2012	76.3033142089844
2013	76.7772521972656
2014	72.1153869628906
2015	69.523811340332
2016	69.0476226806641
2017	70
2018	71.9047622680664
2019	70.476188659668
2020	56.6666679382324
2021	54.761905670166
2022	54.7169799804688