Year	Index
1980	58.774
1981	64.027
1982	68.508
1983	74.651
1984	82.552
1985	90.98
1986	100.813
1987	49.884
1988	32.619
1989	30.498
1990	38.991
1991	41.509
1992	41.46
1993	65.948
1994	247.806
1995	351.027
1996	386.04
1997	435.172
1998	496.781
1999	531.711
2000	590.498
2001	659.188
2002	725.068
2003	920.13
2004	1118.01
2005	1314.47
2006	1508.21
2007	1629.48
2008	1839.60
2009	1907.71
2010	2011.70
2011	2162.78
2012	2277.09
2013	2427.20
2014	2536.66
2015	2711.15
2016	3035.46
2017	3441.06
2018	3881.73
2019	4461.82
2020	5039.74
2021	5656.03
2022	6303.55
2023	6979.58
2024	7693.23