Year	Number
1996	62.9032249450684
1998	57.2192497253418
2000	62.2340431213379
2002	56.0846557617188
2003	65.6084671020508
2004	65.5172424316406
2005	68.2926864624023
2006	69.2682952880859
2007	64.5631103515625
2008	65.0485458374023
2009	65.5502395629883
2010	63.8095245361328
2011	63.9810409545898
2012	59.7156410217285
2013	59.2417068481445
2014	60.0961532592773
2015	59.523811340332
2016	60.476188659668
2017	58.5714302062988
2018	61.4285697937012
2019	59.523811340332
2020	64.2857131958008
2021	60
2022	60.3773574829102