Year	Number
1996	69.5652160644531
1998	70.6521759033203
2000	69.5652160644531
2002	68.1081085205078
2003	64.3243255615234
2004	66.1691513061523
2005	60.294116973877
2006	63.235294342041
2007	62.1359214782715
2008	53.8834953308105
2009	55.0239219665527
2010	54.5454559326172
2011	53.554500579834
2012	53.0805702209473
2013	54.9763031005859
2014	61.538459777832
2015	65.2380981445313
2016	65.2380981445313
2017	67.1428604125977
2018	64.2857131958008
2019	61.4285697937012
2020	61.9047622680664
2021	62.3809509277344
2022	60.3773574829102