Year	Index (Units)
1980	0.062
1981	0.078
1982	0.094
1983	0.138
1984	0.268
1985	0.413
1986	0.738
1987	1.452
1988	2.183
1989	3.643
1990	4.813
1991	7.706
1992	14.387
1993	18.803
1994	22.428
1995	33.568
1996	55.585
1997	64.889
1998	70.038
1999	64.490
2000	75.250
2001	73.829
2002	75.689
2003	76.239
2004	78.440
2005	78.675
2006	81.190
2007	88.736
2008	96.438
2009	90.308
2010	95.458
2011	98.750
2012	100.349
2013	100.255
2014	100.161
2015	102.606
2016	103.500
2017	103.000
2018	105.470
2019	105.370
2020	106.950
2021	113.200
2022	123.900
2023	127.700
2024	131.531
2025	134.162
2026	136.845
2027	139.582
2028	142.373
2029	145.221