Year	Number
1996	17.7419357299805
1998	2.13903737068176
2000	3.72340416908264
2002	26.4550266265869
2003	22.2222213745117
2004	26.6009845733643
2005	19.0243911743164
2006	18.0487804412842
2007	13.5922327041626
2008	14.5631065368652
2009	17.7033500671387
2010	16.1904754638672
2011	17.0616111755371
2012	15.6398105621338
2013	16.5876770019531
2014	12.5
2015	11.9047622680664
2016	11.9047622680664
2017	11.9047622680664
2018	10.4761905670166
2019	10
2020	6.66666650772095
2021	4.2857141494751
2022	2.8301887512207