Year	Number
1996	76.3440856933594
1998	72.7272720336914
2000	70.2127685546875
2002	67.1957702636719
2003	64.5502624511719
2004	69.4581298828125
2005	69.2682952880859
2006	69.7560958862305
2007	61.6504859924316
2008	62.1359214782715
2009	61.2440185546875
2010	61.4285697937012
2011	57.3459701538086
2012	53.0805702209473
2013	54.502368927002
2014	54.3269233703613
2015	54.761905670166
2016	57.1428565979004
2017	52.3809509277344
2018	52.3809509277344
2019	54.2857131958008
2020	53.3333320617676
2021	53.8095245361328
2022	44.8113212585449