Year	Index (Units)
1980	1.212
1981	1.531
1982	1.889
1983	2.540
1984	3.241
1985	4.511
1986	5.797
1987	7.670
1988	10.031
1989	13.728
1990	16.284
1991	22.433
1992	27.085
1993	34.156
1994	47.125
1995	59.741
1996	69.029
1997	79.627
1998	88.593
1999	94.761
2000	100.000
2001	104.854
2002	109.472
2003	114.467
2004	119.163
2005	125.100
2006	133.431
2007	142.000
2008	161.133
2009	180.833
2010	190.874
2011	228.580
2012	256.150
2013	270.395
2014	283.246
2015	302.586
2016	317.862
2017	330.453
2018	341.194
2019	354.329
2020	365.505
2021	380.709
2022	399.179
2023	415.016
2024	431.648
2025	448.875
2026	466.737
2027	485.273
2028	504.526
2029	524.543