Year	Number
1996	77.4193572998047
1998	74.3315505981445
2000	76.5957412719727
2002	83.5978851318359
2003	74.0740737915039
2004	74.8768463134766
2005	72.1951217651367
2006	71.7073135375977
2007	72.3300933837891
2008	72.8155364990234
2009	71.291862487793
2010	70.9523773193359
2011	71.0900497436523
2012	72.511848449707
2013	73.9336471557617
2014	69.711540222168
2015	64.7619018554688
2016	61.4285697937012
2017	57.6190490722656
2018	58.0952377319336
2019	62.3809509277344
2020	60
2021	65.7142868041992
2022	66.0377349853516