Year	Index
1980	5.001
1981	6.751
1982	8.77
1983	11.424
1984	14.396
1985	17.136
1986	28.224
1987	38.636
1988	49.18
1989	63.076
1990	79.283
1991	94.888
1992	110.6
1993	118.492
1994	123.492
1995	130.35
1996	134.242
1997	136.842
1998	143.825
1999	150.375
2000	160.55
2001	169.183
2002	174.192
2003	193.416
2004	227.192
2005	298.435
2006	401.999
2007	493.898
2008	584.611
2009	611.979
2010	706.627
2011	857.5
2012	988.071
2013	1105.53
2014	1212.90
2015	1311.76
2016	1418.98
2017	1545.48
2018	1695.39
2019	1846.28
2020	1999.52
2021	2159.48
2022	2330.08
2023	2511.82
2024	2707.75