Year	Index (Units)
1980	45.089
1981	48.446
1982	50.417
1983	51.765
1984	52.803
1985	54.670
1986	56.330
1987	57.990
1988	60.998
1989	65.978
1990	69.037
1991	70.421
1992	73.460
1993	74.631
1994	74.454
1995	75.495
1996	77.028
1997	78.702
1998	79.913
1999	79.879
2000	80.764
2001	81.676
2002	81.968
2003	84.289
2004	84.979
2005	87.275
2006	88.842
2007	94.182
2008	96.081
2009	99.132
2010	99.180
2011	101.100
2012	102.380
2013	101.930
2014	102.400
2015	101.730
2016	102.460
2017	100.940
2018	104.960
2019	105.110
2020	104.370
2021	108.067
2022	117.456
2023	120.192
2024	122.814
2025	125.270
2026	127.776
2027	130.331
2028	132.938
2029	135.597