Year	Index (Units)
1997	11.923
1998	17.218
1999	25.036
2000	53.067
2001	67.001
2002	68.682
2003	71.503
2004	81.657
2005	94.591
2006	100.000
2007	111.025
2008	120.555
2009	128.514
2010	141.680
2011	151.603
2012	170.074
2013	173.808
2014	176.854
2015	179.605
2016	182.356
2017	187.858
2018	191.592
2019	195.129
2020	197.585
2021	213.109
2022	245.335
2023	264.102
2024	273.609
2025	281.818
2026	290.272
2027	298.980
2028	307.950
2029	317.188