Year	Number
2004	44.3349761962891
2005	74.634147644043
2006	73.1707305908203
2007	73.3009719848633
2008	73.7864074707031
2009	73.2057418823242
2010	72.8571395874023
2011	72.511848449707
2012	71.0900497436523
2013	70.1421813964844
2014	55.288459777832
2015	61.9047622680664
2016	61.9047622680664
2017	60.9523811340332
2018	60
2019	59.0476188659668
2020	59.0476188659668
2021	59.0476188659668
2022	59.9056587219238