Year	Number
1996	63.3165817260742
1998	64
2000	66.1691513061523
2002	65.6716384887695
2003	68.1592025756836
2004	69.2307662963867
2005	70.3349304199219
2006	69.8564605712891
2007	69.3779907226563
2008	72.5961532592773
2009	70.6161117553711
2010	72.9857788085938
2011	72.7699508666992
2012	69.9530487060547
2013	70.8920211791992
2014	75.4807662963867
2015	72.3809509277344
2016	78.0952377319336
2017	75.7142868041992
2018	74.2857131958008
2019	75.7142868041992
2020	78.0952377319336
2021	81.4285736083984
2022	78.7735824584961