Year	Number
1996	55.3763427734375
1998	54.5454559326172
2000	58.5106391906738
2002	55.0264549255371
2003	59.2592582702637
2004	58.1280784606934
2005	57.5609741210938
2006	55.1219520568848
2007	53.3980598449707
2008	54.3689308166504
2009	58.8516731262207
2010	61.4285697937012
2011	59.7156410217285
2012	61.6113739013672
2013	62.5592422485352
2014	64.9038467407227
2015	64.2857131958008
2016	65.2380981445313
2017	62.8571434020996
2018	61.4285697937012
2019	65.2380981445313
2020	67.6190490722656
2021	70
2022	68.3962249755859