Year	Index (Units)
1980	0.009
1981	0.010
1982	0.012
1983	0.014
1984	0.017
1985	0.023
1986	0.033
1987	0.048
1988	0.074
1989	0.169
1990	0.331
1991	0.660
1992	1.853
1993	4.227
1994	5.848
1995	8.537
1996	11.543
1997	13.688
1998	17.871
1999	21.559
2000	28.048
2001	33.287
2002	42.159
2003	49.394
2004	58.039
2005	67.239
2006	72.779
2007	79.280
2008	92.409
2009	101.557
2010	109.580
2011	117.470
2012	126.078
2013	135.080
2014	145.700
2015	176.460
2016	189.640
2017	201.180
2018	216.990
2019	242.420
2020	289.040
2021	336.310
2022	369.600
2023	417.649
2024	453.692
2025	485.451
2026	519.432
2027	555.793
2028	594.698
2029	636.327