Year	Number
1996	100
1998	100
2000	100
2002	95.2380981445313
2003	98.4924621582031
2004	100
2005	99.0291290283203
2006	99.5169067382813
2007	98.5507278442383
2008	96.1538467407227
2009	94.3127975463867
2010	93.8388595581055
2011	91.9431304931641
2012	91.9431304931641
2013	91.4691925048828
2014	69.523811340332
2015	92.3809509277344
2016	92.3809509277344
2017	88.5714263916016
2018	91.5094375610352
2019	93.3962249755859
2020	94.3396224975586
2021	94.8113174438477
2022	96.2264175415039