Year	Index (Units)
1980	0.030
1981	0.035
1982	0.041
1983	0.055
1984	0.083
1985	0.154
1986	0.363
1987	0.654
1988	1.004
1989	1.616
1990	2.214
1991	5.634
1992	9.193
1993	11.804
1994	13.985
1995	19.105
1996	33.492
1997	39.117
1998	49.698
1999	62.137
2000	65.934
2001	62.259
2002	59.817
2003	67.670
2004	76.341
2005	89.034
2006	100.008
2007	106.804
2008	117.475
2009	126.614
2010	148.358
2011	174.133
2012	195.099
2013	208.617
2014	212.370
2015	254.086
2016	268.935
2017	292.985
2018	334.067
2019	359.798
2020	399.072
2021	425.776
2022	533.633
2023	748.505
2024	1004.338
2025	1155.366
2026	1274.888
2027	1395.797
2028	1507.797
2029	1608.873