Year	Index (Units)
1990	41.014
1991	42.492
1992	49.955
1993	50.701
1994	52.069
1995	56.756
1996	59.298
1997	62.579
1998	67.742
1999	69.047
2000	72.898
2001	74.161
2002	80.392
2003	82.319
2004	95.609
2005	101.160
2006	110.150
2007	118.312
2008	122.933
2009	128.976
2010	136.899
2011	144.389
2012	149.305
2013	156.003
2014	163.804
2015	159.168
2016	163.578
2017	165.599
2018	170.822
2019	175.438
2020	178.642
2021	188.837
2022	209.635
2023	212.924
2024	221.441
2025	230.299
2026	239.510
2027	249.091
2028	259.055
2029	269.417