Year	Index (Units)
1980	0.058
1981	0.061
1982	0.072
1983	0.092
1984	0.119
1985	0.156
1986	0.219
1987	0.579
1988	0.918
1989	1.305
1990	1.876
1991	2.499
1992	3.626
1993	5.158
1994	8.414
1995	12.424
1996	18.449
1997	19.807
1998	20.101
1999	20.679
2000	23.308
2001	25.420
2002	29.682
2003	33.676
2004	37.931
2005	40.369
2006	45.716
2007	50.473
2008	57.793
2009	59.981
2010	67.435
2011	74.964
2012	76.915
2013	80.193
2014	82.246
2015	85.168
2016	100.001
2017	115.114
2018	119.617
2019	122.943
2020	126.806
2021	134.019
2022	147.113
2023	156.146
2024	163.078
2025	172.109
2026	180.968
2027	190.921
2028	201.422
2029	212.500