Year	Index
1992	0.354
1993	4.195
1994	11.775
1995	16.741
1996	22.089
1997	27.265
1998	30.117
1999	40.929
2000	48.987
2001	52.377
2002	53.494
2003	55.086
2004	57.35
2005	59.838
2006	63.161
2007	69.622
2008	86.693
2009	92.62
2010	100
2011	116.636
2012	119.865
2013	127.793
2014	137.421
2015	146.358
2016	146.927
2017	151.593
2018	153.931
2019	157.331
2020	165.001
2021	173.2
2022	181.776
2023	190.777
2024	200.224