Year	Index
1992	0.844
1993	8.696
1994	14.099
1995	18.463
1996	24.891
1997	28.122
1998	32.859
1999	45.949
2000	50.765
2001	52.635
2002	53.838
2003	56.834
2004	58.405
2005	61.279
2006	64.403
2007	77.344
2008	92.835
2009	92.798
2010	110.639
2011	116.954
2012	125.72
2013	130.711
2014	144.403
2015	149.244
2016	148.494
2017	153.922
2018	154.671
2019	162.009
2020	170.201
2021	178.629
2022	187.474
2023	196.757
2024	206.5