Year	Index (Units)
1990	45.181
1991	52.617
1992	57.838
1993	64.729
1994	71.909
1995	73.952
1996	75.326
1997	84.423
1998	100.000
1999	104.775
2000	111.429
2001	117.922
2002	125.840
2003	131.485
2004	145.866
2005	167.141
2006	190.693
2007	207.656
2008	229.909
2009	229.084
2010	280.268
2011	329.449
2012	330.951
2013	345.804
2014	304.735
2015	290.126
2016	322.650
2017	327.759
2018	342.687
2019	360.927
2020	384.440
2021	413.160
2022	422.427
2023	428.804
2024	443.561
2025	454.054
2026	466.371
2027	472.986
2028	482.022
2029	486.242