Year	Index
1985	0.002
1986	0.003
1987	0.007
1988	0.035
1989	1.093
1990	23.537
1991	55.907
1992	63.503
1993	62.369
1994	64.171
1995	66.271
1996	66.172
1997	65.86
1998	64.755
1999	63.599
2000	64.275
2001	63.588
2002	82.655
2003	91.469
2004	100
2005	110.318
2006	125.476
2007	144.222
2008	177.64
2009	204.957
2010	247.824
2011	306.567
2012	374.977
2013	464.78
2014	652.007
2015	825.311
2016	1164.67
2017	1467.58
2018	2060.07
2019	2887.94
2020	3567.01
2021	4222.59
2022	4761.46
2023	5155.32
2024	5420.63