Year	Index (Units)
1980	33.398
1981	35.583
1982	40.359
1983	41.469
1984	44.576
1985	45.020
1986	43.429
1987	44.724
1988	45.686
1989	46.426
1990	45.797
1991	45.390
1992	45.316
1993	46.538
1994	60.076
1995	62.444
1996	66.772
1997	69.562
1998	70.237
1999	70.700
2000	72.403
2001	73.110
2002	75.986
2003	78.391
2004	78.933
2005	82.463
2006	83.724
2007	85.622
2008	95.535
2009	93.773
2010	93.529
2011	98.261
2012	99.906
2013	100.026
2014	99.877
2015	102.740
2016	102.430
2017	104.110
2018	104.460
2019	101.790
2020	104.150
2021	112.688
2022	123.200
2023	124.500
2024	127.737
2025	130.292
2026	132.898
2027	135.556
2028	138.267
2029	141.032