Year	Index (Units)
1997	26.468
1998	26.713
1999	26.401
2000	26.153
2001	25.875
2002	32.568
2003	36.946
2004	38.577
2005	42.297
2006	46.907
2007	51.049
2008	55.431
2009	58.907
2010	65.069
2011	71.430
2012	78.603
2013	86.950
2016	168.270
2017	211.473
2018	283.959
2019	436.015
2020	619.207
2021	918.961
2022	1584.572
2023	3699.800
2024	12941.647
2025	20654.421
2026	27226.330
2027	31979.906
2028	35301.889
2029	38443.008