Year	Number
1996	69.0217361450195
1998	70.6521759033203
2000	69.0217361450195
2002	65.405403137207
2003	63.2432441711426
2004	61.6915435791016
2005	50.4901962280273
2006	54.4117660522461
2007	52.4271850585938
2008	51.9417457580566
2009	52.1531105041504
2010	53.1100463867188
2011	55.9241714477539
2012	55.9241714477539
2013	54.9763031005859
2014	60.0961532592773
2015	61.9047622680664
2016	62.3809509277344
2017	60.9523811340332
2018	60
2019	59.0476188659668
2020	57.1428565979004
2021	50.9523811340332
2022	40.5660362243652