Year	Index (Units)
1980	1.215
1981	1.320
1982	1.711
1983	2.213
1984	2.772
1985	3.298
1986	5.596
1987	7.121
1988	8.663
1989	10.597
1990	12.428
1991	15.654
1992	19.759
1993	19.891
1994	20.169
1995	21.355
1996	21.414
1997	21.776
1998	22.772
1999	23.599
2000	24.402
2001	24.772
2002	25.216
2003	29.602
2004	34.436
2005	48.823
2006	63.022
2007	71.807
2008	83.796
2009	85.641
2010	100.000
2011	108.998
2012	117.558
2013	126.814
2014	130.131
2015	133.999
2016	141.596
2017	156.260
2018	167.290
2019	183.021
2020	190.799
2021	213.667
2022	219.662
2023	238.903
2024	265.140
2025	291.948
2026	318.143
2027	346.756
2028	377.799
2029	404.871