Year	Index
1992	4.608
1993	24.991
1994	62.976
1995	73.728
1996	75.829
1997	78.84
1998	79.935
1999	82.168
2000	88.868
2001	93.061
2002	93.94
2003	95.491
2004	95.333
2005	100
2006	103.252
2007	107.995
2008	113.925
2009	114.261
2010	116.593
2011	120.933
2012	122.146
2013	127.622
2014	129.469
2015	132.063
2016	136.639
2017	141.308
2018	147.397
2019	150.345
2020	153.412
2021	156.741
2022	160.252
2023	163.825
2024	167.479