Year	Number
1996	58.6956520080566
1998	54.347827911377
2000	54.8913040161133
2002	53.5135116577148
2003	58.9189186096191
2004	61.6915435791016
2005	55.8823547363281
2006	54.4117660522461
2007	52.4271850585938
2008	53.3980598449707
2009	57.8947372436523
2010	62.2009582519531
2011	55.9241714477539
2012	57.3459701538086
2013	59.7156410217285
2014	53.3653831481934
2015	51.4285697937012
2016	50.9523811340332
2017	50.476188659668
2018	48.5714302062988
2019	44.761905670166
2020	37.1428565979004
2021	32.3809509277344
2022	21.698112487793
