Year	Number
1996	55.7377052307129
1998	59.0163917541504
2000	59.5628433227539
2002	51.8918914794922
2003	45.9459457397461
2004	35.8208961486816
2005	35.7843132019043
2006	33.1707305908203
2007	44.6601943969727
2008	41.7475738525391
2009	32.0574150085449
2010	36.3636360168457
2011	34.1232223510742
2012	30.3317527770996
2013	33.1753540039063
2014	33.1730766296387
2015	21.9047622680664
2016	32.8571434020996
2017	30.4761905670166
2018	32.3809509277344
2019	26.6666660308838
2020	32.3809509277344
2021	33.3333320617676
2022	33.0188674926758