Year	Index
1992	0.159
1993	3.611
1994	34.468
1995	55.283
1996	71.115
1997	79.166
1998	80.654
1999	95.248
2000	104.592
2001	111.337
2002	118.685
2003	126.698
2004	135.249
2005	145.527
2006	157.752
2007	187.332
2008	205.128
2009	217.746
2010	234.73
2011	252.1
2012	267.226
2013	280.053
2014	300.86
2015	341.777
2016	370.828
2017	397.157
2018	418.206
2019	441.082
2020	460.975
2021	481.12
2022	500.99
2023	521.18
2024	542.183