Year	Number
1996	56.4516143798828
1998	54.5454559326172
2000	56.3829803466797
2002	54.4973526000977
2003	56.0846557617188
2004	49.7536964416504
2005	60.4878044128418
2006	65.8536605834961
2007	65.5339813232422
2008	63.5922317504883
2009	61.7224884033203
2010	61.9047622680664
2011	61.6113739013672
2012	61.1374397277832
2013	62.5592422485352
2014	65.3846130371094
2015	63.8095245361328
2016	63.3333320617676
2017	72.8571395874023
2018	73.8095245361328
2019	72.3809509277344
2020	76.1904754638672
2021	70.476188659668
2022	69.8113174438477