Year	Index (Units)
1980	42.083
1981	43.291
1982	45.102
1983	45.879
1984	48.727
1985	52.986
1986	55.199
1987	58.005
1988	61.957
1989	67.536
1990	67.400
1991	71.868
1992	74.722
1993	76.127
1994	78.445
1995	80.788
1996	82.989
1997	84.550
1998	85.977
1999	86.875
2000	89.213
2001	91.126
2002	91.465
2003	91.395
2004	93.251
2005	95.550
2006	100.000
2007	102.320
2008	110.349
2009	110.338
2010	110.868
2011	111.117
2012	115.479
2013	118.855
2014	119.776
2015	123.080
2016	126.335
2017	128.263
2018	127.360
2019	131.598
2020	131.203
2021	134.867
2022	137.825
2023	141.801
2024	144.225
2025	147.136
2026	150.407
2027	153.752
2028	157.170
2029	160.665