Year	Number
1996	60.1063842773438
1998	60.638298034668
2000	68.2539672851563
2002	59.7883605957031
2003	66.331657409668
2004	60.6796112060547
2005	65.5339813232422
2006	64.2512054443359
2007	69.0821228027344
2008	68.2692337036133
2009	63.9810409545898
2010	65.8767776489258
2011	68.2464447021484
2012	69.6682434082031
2013	67.7725143432617
2014	69.0476226806641
2015	68.0952377319336
2016	65.7142868041992
2017	69.0476226806641
2018	65.0943374633789
2019	70.7547149658203
2020	66.9811325073242
2021	67.4528274536133
2022	70.2830200195313