Year	Number
1996	98.5
1998	97.5124359130859
2000	97.0149230957031
2002	95.5223846435547
2003	94.0298538208008
2004	94.711540222168
2005	94.711540222168
2006	92.3076934814453
2007	92.3076934814453
2008	93.2692337036133
2009	92.4170608520508
2010	92.890998840332
2011	93.8967132568359
2012	93.8967132568359
2013	93.8967132568359
2014	87.6847305297852
2015	88.1773376464844
2016	87.1921157836914
2017	86.2068939208984
2018	82.0388336181641
2019	85.0241546630859
2020	83.0917892456055
2021	81.159423828125
2022	85.5072479248047