Year	2015 = 100
1980	9.8640162923
1981	9.6802581092
1982	7.1988830627
1983	6.6009128731
1984	8.0988497258
1985	7.3384778407
1986	8.184397393
1987	11.7505650752
1988	9.5194395614
1989	5.9231314742
1990	9.0815293512
1991	6.838456377
1992	5.947133242
1993	6.5692341813
1994	7.2197584526
1995	15.5522672145
1996	13.7404168658
1997	15.0029124217
1998	21.779078439
1999	19.4768860881
2000	17.4001153638
2001	20.8529847909
2002	23.6887367675
2003	23.7932959573
2004	35.2421403438
2005	37.0793757904
2006	43.575240259
2007	40.8912248748
2008	38.2442925817
2009	52.8799588924
2010	69.9307349936
2011	80.8709405302
2012	74.7069466872
2013	89.5198973619
2014	100.9553931977
2015	100
2016	107.7400938567
2017	118.0225499764
2018	130.6322348291
2019	124.7318867336
2020	136.9779565732
2021	148.1722816944