Year	Index (Units)
1997	15.635
1998	23.559
1999	25.838
2000	25.542
2001	20.197
2002	32.343
2003	40.142
2004	41.373
2005	45.503
2006	56.788
2007	76.225
2008	87.172
2009	87.066
2010	92.725
2011	95.522
2012	99.454
2013	106.350
2014	110.176
2015	125.150
2016	130.002
2017	134.426
2018	145.970
2019	159.854
2020	163.105
2021	174.974
2022	230.000
2023	276.000
2024	298.080
2025	321.330
2026	346.394
2027	373.413
2028	402.539
2029	433.937