Year	Number
1996	63.440860748291
1998	64.1711196899414
2000	63.8297882080078
2002	68.2539672851563
2003	68.7830657958984
2004	60.5911331176758
2005	58.0487823486328
2006	59.0243911743164
2007	60.6796112060547
2008	63.1067962646484
2009	63.1578941345215
2010	65.2380981445313
2011	68.7203826904297
2012	62.5592422485352
2013	61.6113739013672
2014	52.8846168518066
2015	50
2016	49.0476188659668
2017	43.3333320617676
2018	45.238094329834
2019	49.0476188659668
2020	45.7142868041992
2021	48.0952377319336
2022	44.8113212585449