Year	Index (Units)
2001	80.699
2002	79.433
2003	78.358
2004	80.552
2005	85.071
2006	88.972
2007	95.302
2008	101.175
2009	101.941
2010	105.930
2011	113.143
2012	119.738
2013	126.583
2014	133.664
2015	138.654
2016	140.656
2017	143.527
2018	147.751
2019	151.535
2020	150.224
2021	151.726
2022	152.889
2023	155.053
2024	157.689
2025	161.237
2026	165.106
2027	169.234
2028	173.465
2029	177.802