Year	Number
1996	100
1998	100
2000	99.5024871826172
2002	99.0049743652344
2003	100
2004	83.6538467407227
2005	94.2307662963867
2006	95.6730804443359
2007	95.6730804443359
2008	96.1538467407227
2009	95.2606658935547
2010	97.1563949584961
2011	94.3661956787109
2012	93.4272308349609
2013	93.8967132568359
2014	99.014778137207
2015	92.1182250976563
2016	92.61083984375
2017	92.61083984375
2018	89.3203887939453
2019	89.3719787597656
2020	88.8888854980469
2021	88.8888854980469
2022	88.8888854980469