Year	Number
1996	75.4098358154297
1998	60.6557388305664
2000	63.3879776000977
2002	63.2432441711426
2003	61.6216201782227
2004	62.1890563964844
2005	61.764705657959
2006	55.1219520568848
2007	52.9126205444336
2008	55.8252410888672
2009	55.5023918151855
2010	49.7607650756836
2011	50.7108993530273
2012	50.2369651794434
2013	55.9241714477539
2014	47.5961532592773
2015	46.1904754638672
2016	45.7142868041992
2017	43.3333320617676
2018	44.761905670166
2019	43.3333320617676
2020	39.523811340332
2021	36.1904754638672
2022	33.4905662536621