Year	Index (Units)
1997	13.299
1998	19.588
1999	24.836
2000	25.893
2001	20.768
2002	25.320
2003	37.339
2004	40.328
2005	43.105
2006	50.239
2007	67.540
2008	81.663
2009	84.679
2010	89.695
2011	95.820
2012	96.165
2013	102.302
2014	108.174
2015	116.026
2016	126.583
2017	132.435
2018	140.307
2019	152.411
2020	161.137
2021	167.006
2022	197.710
2023	251.289
2024	288.983
2025	311.523
2026	335.822
2027	362.016
2028	390.254
2029	420.694