Year	Number
1996	55.3763427734375
1998	59.3582878112793
2000	58.5106391906738
2002	55.0264549255371
2003	67.7248687744141
2004	64.0394058227539
2005	63.4146347045898
2006	64.3902435302734
2007	64.0776672363281
2008	67.4757308959961
2009	62.6794242858887
2010	60
2011	59.7156410217285
2012	60.1895751953125
2013	59.7156410217285
2014	60.5769233703613
2015	62.3809509277344
2016	61.9047622680664
2017	61.9047622680664
2018	58.5714302062988
2019	58.5714302062988
2020	57.6190490722656
2021	55.7142868041992
2022	58.0188674926758