Year	Index
1998	15.265
1999	19.193
2000	22.683
2001	26.468
2002	32.92
2003	40.471
2004	46.371
2005	51.68
2006	60.09
2007	69.375
2008	81.242
2009	92.305
2010	100
2011	105.267
2012	112.041
2013	116.297
2014	121.256
2015	126.28
2016	129.282
2017	135.131
2018	145.382
2019	150.485
2020	160.936
2021	172.124
2022	183.909
2023	195.796
2024	208.451