Year	Number
1996	37.2340431213379
1998	35.638298034668
2000	35.4497337341309
2002	45.5026473999023
2003	49.7487449645996
2004	54.8543701171875
2005	54.3689308166504
2006	51.2077293395996
2007	50.7246360778809
2008	52.8846168518066
2009	48.3412322998047
2010	55.4502372741699
2011	60.6635055541992
2012	62.0853080749512
2013	61.6113739013672
2014	61.9047622680664
2015	61.4285697937012
2016	63.8095245361328
2017	64.2857131958008
2018	67.9245300292969
2019	65.5660400390625
2020	62.2641525268555
2021	59.9056587219238
2022	62.2641525268555