Year	2015 = 100
1980	28.7094059019
1981	20.2639410526
1982	15.5335067005
1983	11.456844485
1984	11.6456319061
1985	10.9461506185
1986	15.2186383213
1987	19.0669501081
1988	18.6854199066
1989	18.220383532
1990	19.5370113739
1991	23.5749981452
1992	29.1751537481
1993	34.5186917435
1994	40.5332246572
1995	38.514681755
1996	41.7971374112
1997	46.7388658159
1998	49.4194390611
1999	46.6116736939
2000	50.9259719762
2001	47.8489251433
2002	32.6954185073
2003	34.4589445783
2004	44.2617032217
2005	48.640475628
2006	55.2623398789
2007	59.707219213
2008	78.7911745115
2009	73.3294799246
2010	83.9070649432
2011	91.4755302222
2012	99.8527875798
2013	102.3838261093
2014	105.5050811725
2015	100
2016	93.738567463
2017	95.3595179797
2018	94.4540505313
2019	93.2272879174
2020	92.5414423898
2021	109.0099703927