Year	Index
1991	79.433
1992	80.433
1993	83.883
1994	85.936
1995	91.068
1996	92.858
1997	94.441
1998	94.041
1999	94.033
2000	95.138
2001	95.711
2002	93.522
2003	94.384
2004	95.977
2005	95.99
2006	95.693
2007	97.538
2008	99.383
2009	99.904
2010	100.1
2011	100.254
2012	100.291
2013	100.449
2014	101.684
2015	100.718
2016	99.061
2017	99.037
2018	99.085
2019	99.58
2020	100.078
2021	100.578
2022	101.081
2023	101.587
2024	102.095