Year	Number
1996	62.2950820922852
1998	67.7595596313477
2000	74.3169403076172
2002	72.9729766845703
2003	74.594596862793
2004	75.6218872070313
2005	73.0392150878906
2006	78.5365829467773
2007	77.6699066162109
2008	73.3009719848633
2009	69.3779907226563
2010	72.2488021850586
2011	71.0900497436523
2012	69.1943130493164
2013	70.6161117553711
2014	74.5192337036133
2015	71.9047622680664
2016	69.523811340332
2017	67.6190490722656
2018	74.2857131958008
2019	72.3809509277344
2020	70.9523773193359
2021	69.523811340332
2022	70.7547149658203