Year	Number
1996	100
1998	100
2000	100
2002	100
2003	100
2004	86.0576934814453
2005	86.6028671264648
2006	89.9521560668945
2007	88.0382766723633
2008	72.1153869628906
2009	63.9810409545898
2010	62.5592422485352
2011	63.8497657775879
2012	66.1971817016602
2013	66.6666641235352
2014	65.3846130371094
2015	61.4285697937012
2016	78.0952377319336
2017	84.7619018554688
2018	84.2857131958008
2019	88.0952377319336
2020	91.4285736083984
2021	90.476188659668
2022	85.3773574829102