Year	Number
1996	61.2021865844727
1998	63.3879776000977
2000	67.7595596313477
2002	65.405403137207
2003	75.1351318359375
2004	75.6218872070313
2005	72.0588226318359
2006	73.1707305908203
2007	77.1844635009766
2008	76.6990280151367
2009	74.6411514282227
2010	77.511962890625
2011	75.8293838500977
2012	81.0426559448242
2013	76.7772521972656
2014	84.6153869628906
2015	83.3333358764648
2016	79.523811340332
2017	79.523811340332
2018	77.1428604125977
2019	77.1428604125977
2020	77.1428604125977
2021	76.1904754638672
2022	75.9433975219727