Year	Index
1997	84.363
1998	85.88
1999	87.237
2000	89.471
2001	91.946
2002	94.101
2003	96.415
2004	98.331
2005	100.007
2006	102.002
2007	100
2008	102.853
2009	103.87
2010	105.34
2011	105.515
2012	108.799
2013	110.986
2014	111.406
2015	110.399
2016	111.728
2017	113.287
2018	114.8
2019	116.339
2020	118.002
2021	119.738
2022	121.562
2023	123.441
2024	125.349