Year	Number
1996	84.4221115112305
1998	73
2000	73.6318435668945
2002	70.6467666625977
2003	69.651741027832
2004	68.2692337036133
2005	64.5932998657227
2006	61.7224884033203
2007	63.6363639831543
2008	62.5
2009	62.5592422485352
2010	63.9810409545898
2011	64.3192520141602
2012	64.3192520141602
2013	63.8497657775879
2014	67.788459777832
2015	63.3333320617676
2016	62.8571434020996
2017	62.3809509277344
2018	60
2019	60.476188659668
2020	57.6190490722656
2021	58.0952377319336
2022	58.4905662536621