Year	Index (Units)
1980	0.175
1981	0.174
1982	0.290
1983	0.516
1984	0.694
1985	1.028
1986	1.448
1987	1.898
1988	2.827
1989	4.675
1990	6.293
1991	7.130
1992	7.793
1993	8.291
1994	8.931
1995	10.685
1996	12.159
1997	14.501
1998	13.906
1999	30.142
2000	40.347
2001	45.430
2002	50.244
2003	56.828
2004	62.900
2005	68.092
2006	76.389
2007	81.430
2008	85.950
2009	84.423
2010	88.437
2011	95.060
2012	100.000
2013	106.474
2014	112.571
2015	115.215
2016	118.697
2017	120.899
2018	123.217
2019	125.980
2020	130.090
2021	137.408
2022	161.591
2023	200.916
2024	233.435
2025	268.369
2026	285.007
2027	289.829
2028	298.021
2029	306.378