Year	Number
1996	72.2826080322266
1998	70.1086959838867
2000	69.0217361450195
2002	72.4324340820313
2003	72.4324340820313
2004	77.1144256591797
2005	76.470588684082
2006	75.9803924560547
2007	77.6699066162109
2008	78.1553421020508
2009	78.4689025878906
2010	80.8612442016602
2011	75.8293838500977
2012	73.459716796875
2013	67.2985763549805
2014	73.0769195556641
2015	72.3809509277344
2016	71.4285736083984
2017	71.9047622680664
2018	68.0952377319336
2019	72.3809509277344
2020	71.9047622680664
2021	67.1428604125977
2022	63.6792449951172