Year	Number
1996	31.9148941040039
1998	46.8085098266602
2000	31.7460308074951
2002	29.6296291351318
2003	26.1306533813477
2004	26.6990299224854
2005	29.1262130737305
2006	31.4009666442871
2007	31.4009666442871
2008	28.8461532592773
2009	20.3791465759277
2010	25.5924167633057
2011	34.1232223510742
2012	27.488151550293
2013	31.7535552978516
2014	36.6666679382324
2015	43.3333320617676
2016	49.0476188659668
2017	49.523811340332
2018	50
2019	54.7169799804688
2020	47.6415100097656
2021	47.6415100097656
2022	42.9245300292969