Year	Number
1996	50.8196716308594
1998	49.7267761230469
2000	59.0163917541504
2002	56.2162170410156
2003	59.4594612121582
2004	53.7313423156738
2005	50.4901962280273
2006	40.9756088256836
2007	45.6310691833496
2008	51.4563102722168
2009	51.1961708068848
2010	53.5885162353516
2011	49.2891006469727
2012	50.2369651794434
2013	51.1848335266113
2014	47.1153831481934
2015	45.7142868041992
2016	43.8095245361328
2017	40
2018	33.3333320617676
2019	41.9047622680664
2020	34.761905670166
2021	33.8095245361328
2022	30.6603775024414