Year	Number
1996	35.8695640563965
1998	30.9782600402832
2000	38.5869560241699
2002	60
2003	50.2702713012695
2004	48.756217956543
2005	42.6470603942871
2006	35.7843132019043
2007	33.009708404541
2008	27.1844654083252
2009	25.8373203277588
2010	22.4880390167236
2011	23.6966819763184
2012	28.4360198974609
2013	27.488151550293
2014	24.0384616851807
2015	18.0952377319336
2016	23.3333339691162
2017	20.4761905670166
2018	17.1428565979004
2019	18.5714282989502
2020	16.1904754638672
2021	12.8571424484253
2022	14.6226415634155