Year	Number
1996	53.1914901733398
1998	41.4893608093262
2000	43.9153442382813
2002	29.6296291351318
2003	29.6482410430908
2004	32.0388336181641
2005	25.7281551361084
2006	35.7487907409668
2007	42.9951705932617
2008	49.038459777832
2009	51.1848335266113
2010	43.1279602050781
2011	39.3364944458008
2012	41.2322273254395
2013	45.497631072998
2014	65.7142868041992
2015	49.0476188659668
2016	47.1428565979004
2017	51.4285697937012
2018	53.301887512207
2019	59.4339637756348
2020	62.2641525268555
2021	59.4339637756348
2022	62.2641525268555