Year	Index
1992	27.543
1993	33.792
1994	40.369
1995	43.987
1996	48.015
1997	52.209
1998	55.579
1999	60.019
2000	65.363
2001	69.968
2002	74.983
2003	78.436
2004	80.942
2005	82.777
2006	85.083
2007	89.915
2008	91.779
2009	93.404
2010	95.138
2011	97.043
2012	99.639
2013	100.311
2014	100.451
2015	100
2016	100.511
2017	102.266
2018	103.719
2019	105.109
2020	107.148
2021	109.291
2022	111.477
2023	113.707
2024	115.981