Year	Index (Units)
1990	0.114
1991	0.251
1992	0.761
1993	2.802
1994	8.222
1995	8.240
1996	12.099
1997	15.733
1998	17.241
1999	18.532
2000	20.638
2001	21.929
2002	22.163
2003	23.284
2004	25.204
2005	28.407
2006	29.642
2007	32.500
2008	41.592
2009	44.750
2010	48.433
2011	52.692
2012	60.008
2013	66.350
2014	74.942
2015	80.025
2016	80.642
2017	84.092
2018	89.817
2019	96.392
2020	99.992
2021	107.350
2022	123.617
2023	136.408
2024	149.705
2025	164.600
2026	179.167
2027	193.142
2028	206.855
2029	220.922