Year	Index
1980	74.553
1981	77.499
1982	83.756
1983	83.247
1984	83.444
1985	83.959
1986	85.256
1987	81.735
1988	87.111
1989	86.997
1990	88.754
1991	85.936
1992	89.342
1993	90.82
1994	94.075
1995	99.793
1996	101.773
1997	100.297
1998	101.786
1999	99.476
2000	100.003
2001	99.767
2002	101.524
2003	98.618
2004	100.661
2005	103.355
2006	107.989
2007	113.223
2008	116.315
2009	112.72
2010	114.054
2011	118.822
2012	121.428
2013	123.837
2014	125.703
2015	126.524
2016	130.46
2017	132.596
2018	132.986
2019	134.582
2020	136.735
2021	139.47
2022	142.259
2023	145.105
2024	145.105