Year	Index
1988	78.295
1989	80.221
1990	83.738
1991	86.351
1992	88.106
1993	90.124
1994	91.785
1995	95.398
1996	101.46
1997	100.916
1998	100.057
1999	99.014
2000	100
2001	100.898
2002	104.165
2003	106.61
2004	109.853
2005	114.43
2006	117.814
2007	122.62
2008	128.012
2009	127.501
2010	127.523
2011	130.42
2012	131.472
2013	133.584
2014	133.353
2015	132.573
2016	134.095
2017	135.48
2018	135.333
2019	138.589
2020	139.716
2021	144.155
2022	145.393
2023	149.946
2024	151.3