Year	Number
1996	67
1998	69.651741027832
2000	71.6417922973633
2002	65.6716384887695
2003	64.1791076660156
2004	60.0961532592773
2005	55.769229888916
2006	31.25
2007	34.6153831481934
2008	34.6153831481934
2009	38.8625602722168
2010	36.0189590454102
2011	40.3755874633789
2012	43.6619720458984
2013	41.3145523071289
2014	28.0788173675537
2015	25.6157627105713
2016	23.645320892334
2017	23.645320892334
2018	25.2427177429199
2019	28.9855079650879
2020	30.4347820281982
2021	32.8502426147461
2022	34.7826080322266