Year	Index (Units)
1980	0.022
1981	0.024
1982	0.026
1983	0.027
1984	0.027
1985	0.027
1986	0.029
1987	0.035
1988	0.037
1989	0.042
1990	0.061
1991	0.082
1992	0.107
1993	0.263
1994	1.572
1995	5.341
1996	5.409
1997	5.423
1998	6.374
1999	11.003
2000	18.094
2001	24.464
2002	32.081
2003	39.281
2004	44.498
2005	50.725
2006	56.602
2007	60.240
2008	69.590
2009	74.102
2010	79.436
2011	90.435
2012	100.136
2013	100.522
2014	102.120
2015	100.000
2016	124.069
2017	158.989
2018	167.989
2019	176.689
2020	256.583
2021	412.511
2022	593.265
2023	898.104
2024	1059.074
2025	1199.754
2026	1306.396
2027	1402.824
2028	1472.576
2029	1546.810