Year	Number
1996	64.6739120483398
1998	67.9347839355469
2000	70.1086959838867
2002	76.2162170410156
2003	72.4324340820313
2004	77.6119384765625
2005	71.0784301757813
2006	75.9803924560547
2007	77.1844635009766
2008	75.2427215576172
2009	73.684211730957
2010	74.6411514282227
2011	75.3554534912109
2012	72.9857788085938
2013	68.2464447021484
2014	66.3461532592773
2015	66.6666641235352
2016	64.7619018554688
2017	64.7619018554688
2018	62.3809509277344
2019	61.4285697937012
2020	57.1428565979004
2021	57.6190490722656
2022	53.301887512207