Year	Number
1996	74.7311859130859
1998	81.8181838989258
2000	82.4468078613281
2002	75.661376953125
2003	74.0740737915039
2004	73.8916244506836
2005	72.1951217651367
2006	72.6829299926758
2007	72.3300933837891
2008	67.4757308959961
2009	67.464111328125
2010	62.8571434020996
2011	62.0853080749512
2012	59.2417068481445
2013	61.6113739013672
2014	59.1346168518066
2015	58.5714302062988
2016	59.0476188659668
2017	57.6190490722656
2018	59.523811340332
2019	62.3809509277344
2020	61.4285697937012
2021	65.7142868041992
2022	62.7358474731445