Year	Number
1996	48.7437171936035
1998	50
2000	48.756217956543
2002	41.7910461425781
2003	49.7512435913086
2004	44.230770111084
2005	42.5837326049805
2006	44.0191383361816
2007	31.5789470672607
2008	25
2009	45.497631072998
2010	48.3412322998047
2011	42.2535209655762
2012	40.8450698852539
2013	42.2535209655762
2014	41.8269233703613
2015	35.7142868041992
2016	39.0476188659668
2017	36.1904754638672
2018	32.8571434020996
2019	33.3333320617676
2020	35.238094329834
2021	32.8571434020996
2022	31.1320762634277