Year	Number
1996	100
1998	100
2000	94.7089920043945
2002	100
2003	99.4974899291992
2004	99.5145645141602
2005	99.5145645141602
2006	100
2007	100
2008	100
2009	94.7867279052734
2010	92.4170608520508
2011	97.1563949584961
2012	94.7867279052734
2013	91.9431304931641
2014	95.7142868041992
2015	94.2857131958008
2016	94.2857131958008
2017	91.9047622680664
2018	91.9811325073242
2019	91.0377349853516
2020	86.7924499511719
2021	90.0943374633789
2022	87.2641525268555