Year	Number
1996	63.2978706359863
1998	52.1276588439941
2000	69.8412704467773
2002	68.2539672851563
2003	43.7185935974121
2004	49.029125213623
2005	53.3980598449707
2006	54.1062812805176
2007	54.5893707275391
2008	55.769229888916
2009	58.2938385009766
2010	56.8720397949219
2011	60.1895751953125
2012	65.4028472900391
2013	64.9289093017578
2014	60.476188659668
2015	62.3809509277344
2016	64.7619018554688
2017	63.8095245361328
2018	58.0188674926758
2019	58.4905662536621
2020	64.1509399414063
2021	67.4528274536133
2022	70.7547149658203