Year	Index (Units)
1980	0.071
1981	0.086
1982	0.087
1983	0.120
1984	0.157
1985	0.195
1986	0.256
1987	0.436
1988	0.536
1989	0.932
1990	1.232
1991	2.016
1992	3.261
1993	8.781
1994	17.522
1995	36.252
1996	92.626
1997	134.505
1998	168.914
1999	199.897
2000	230.180
2001	249.963
2002	277.133
2003	304.292
2004	356.872
2005	421.283
2006	453.521
2007	522.941
2008	569.436
2009	580.040
2010	711.533
2011	898.870
2012	1169.685
2013	1595.783
2014	2139.421
2015	2343.172
2016	3288.145
2017	3887.572
2018	6113.618
2019	9351.284
2020	24763.296
2021	70396.184
2022	92713.752
2023	287737.330
2024	722587.289
2025	1150955.902
2026	1426198.249
2027	1637138.316
2028	1768413.119
2029	1891986.238