Year	Number
1996	78
1998	75.1243743896484
2000	71.1442794799805
2002	76.6169128417969
2003	79.6019897460938
2004	80.288459777832
2005	75.961540222168
2006	77.4038467407227
2007	79.3269195556641
2008	81.7307662963867
2009	81.0426559448242
2010	78.6729888916016
2011	79.8122100830078
2012	76.9953079223633
2013	77.9342727661133
2014	78.8177337646484
2015	82.2660064697266
2016	81.2807846069336
2017	75.3694610595703
2018	74.7572784423828
2019	73.4299545288086
2020	78.7439651489258
2021	79.7101440429688
2022	80.6763305664063