Year	Index (Units)
1992	0.024
1993	0.236
1994	0.964
1995	2.352
1996	3.428
1997	3.945
1998	4.677
1999	8.067
2000	11.102
2001	12.934
2002	14.954
2003	16.987
2004	20.438
2005	24.379
2006	28.074
2007	31.945
2008	37.683
2009	38.434
2010	43.883
2011	51.183
2012	55.742
2013	58.708
2014	63.105
2015	67.680
2016	69.605
2017	73.328
2018	80.660
2019	83.292
2020	84.040
2021	100.000
2022	115.810
2023	123.094
2024	128.896
2025	133.474
2026	136.922
2027	140.620
2028	144.199
2029	147.901