Year	Number
1996	100
1998	100
2000	100
2002	100
2003	100
2004	92.3076934814453
2005	94.2583694458008
2006	93.7799072265625
2007	93.7799072265625
2008	81.25
2009	71.0900497436523
2010	66.3507080078125
2011	61.5023460388184
2012	63.3802833557129
2013	64.7887344360352
2014	62.019229888916
2015	59.0476188659668
2016	69.0476226806641
2017	70.476188659668
2018	70.9523773193359
2019	73.3333358764648
2020	75.2380981445313
2021	84.2857131958008
2022	86.3207550048828