Year	Number
1996	45.7446823120117
1998	36.7021293640137
2000	35.4497337341309
2002	46.0317459106445
2003	58.2914581298828
2004	66.5048522949219
2005	67.4757308959961
2006	68.1159439086914
2007	44.9275360107422
2008	52.8846168518066
2009	53.554500579834
2010	54.028434753418
2011	59.2417068481445
2012	57.8199043273926
2013	60.1895751953125
2014	69.523811340332
2015	64.7619018554688
2016	71.4285736083984
2017	70.476188659668
2018	68.8679275512695
2019	67.9245300292969
2020	66.5094375610352
2021	58.0188674926758
2022	59.9056587219238