Year	Index
1982	28.154
1983	29.221
1984	29.478
1985	29.919
1986	30.613
1987	31.026
1988	31.617
1989	32.769
1990	33.743
1991	34.427
1992	34.713
1993	35.041
1994	35.516
1995	35.239
1996	35.187
1997	35.981
1998	37.609
1999	39.978
2000	42.435
2001	43.715
2002	44.48
2003	46.084
2004	46.914
2005	46.185
2006	46.284
2007	54.035
2008	88.213
2009	85.974
2010	86.306
2011	91.063
2012	96.342
2013	99.636
2014	100.158
2015	103.327
2016	103.104
2017	106.692
2018	110.3
2019	114.568
2020	118.287
2021	121.945
2022	125.591
2023	129.346
2024	133.213