Year	Index
1990	0.039
1991	0.125
1992	0.375
1993	1.482
1994	2.396
1995	3.061
1996	4.803
1997	12.076
1998	16.976
1999	26.28
2000	36.979
2001	48.144
2002	56.757
2003	64.84
2004	70.778
2005	76.948
2006	80.702
2007	85.997
2008	91.415
2009	95.758
2010	103.398
2011	106.637
2012	111.93
2013	113.686
2014	114.627
2015	113.542
2016	112.936
2017	116.686
2018	120.491
2019	124.75
2020	128.544
2021	131.821
2022	135.181
2023	138.628
2024	142.162