Year	Number
1996	82.9145736694336
1998	84
2000	84.5771179199219
2002	83.0845794677734
2003	83.5820922851563
2004	78.3653869628906
2005	69.3779907226563
2006	78.4689025878906
2007	79.9043045043945
2008	80.7692337036133
2009	81.0426559448242
2010	80.0947875976563
2011	78.4037551879883
2012	78.4037551879883
2013	73.7089233398438
2014	49.519229888916
2015	70
2016	68.5714263916016
2017	65.2380981445313
2018	64.2857131958008
2019	62.3809509277344
2020	64.2857131958008
2021	60
2022	61.7924537658691