Year	Number
1996	69.0217361450195
1998	70.1086959838867
2000	69.0217361450195
2002	72.4324340820313
2003	67.5675659179688
2004	72.1393051147461
2005	62.7450981140137
2006	70.0980377197266
2007	71.3592224121094
2008	67.4757308959961
2009	65.0717697143555
2010	65.5502395629883
2011	65.8767776489258
2012	73.459716796875
2013	72.9857788085938
2014	72.1153869628906
2015	70.9523773193359
2016	68.0952377319336
2017	70.476188659668
2018	65.2380981445313
2019	63.8095245361328
2020	61.4285697937012
2021	56.6666679382324
2022	58.9622650146484