Year	Number
1996	56.9892463684082
1998	55.6149749755859
2000	57.9787216186523
2002	59.2592582702637
2003	62.962963104248
2004	59.6059112548828
2005	56.0975608825684
2006	55.1219520568848
2007	54.8543701171875
2008	61.6504859924316
2009	63.1578941345215
2010	62.8571434020996
2011	63.0331764221191
2012	63.0331764221191
2013	63.0331764221191
2014	62.019229888916
2015	76.6666641235352
2016	73.8095245361328
2017	66.1904754638672
2018	69.523811340332
2019	78.5714263916016
2020	81.9047622680664
2021	83.8095245361328
2022	83.9622650146484