Year	Number
1996	68.0851058959961
1998	60.1063842773438
2000	25.9259262084961
2002	12.6984128952026
2003	11.0552759170532
2004	5.33980560302734
2005	4.85436916351318
2006	8.69565200805664
2007	9.17874431610107
2008	9.61538505554199
2009	18.9573459625244
2010	12.3222751617432
2011	16.5876770019531
2012	19.4312801361084
2013	23.222749710083
2014	21.4285717010498
2015	28.0952377319336
2016	24.761905670166
2017	19.5238094329834
2018	26.4150943756104
2019	22.6415100097656
2020	23.1132068634033
2021	34.9056587219238
2022	41.9811325073242