Year	Index (Units)
1980	24.008
1981	26.697
1982	28.570
1983	30.515
1984	32.123
1985	33.540
1986	34.140
1987	36.074
1988	40.315
1989	42.810
1990	46.317
1991	49.327
1992	51.735
1993	54.429
1994	54.864
1995	56.062
1996	57.749
1997	59.709
1998	63.138
1999	64.389
2000	65.097
2001	67.873
2002	68.363
2003	71.247
2004	73.261
2005	74.949
2006	76.810
2007	80.506
2008	86.726
2009	89.896
2010	93.212
2011	100.000
2012	103.416
2013	106.424
2014	106.977
2015	108.447
2016	112.637
2017	116.408
2018	121.159
2019	123.307
2020	120.107
2021	120.294
2022	125.491
2023	128.377
2024	133.512
2025	137.785
2026	142.056
2027	146.318
2028	150.561
2029	154.777