Year	2015 = 100
1980	34.0600034716
1981	30.2768519697
1982	21.1210424557
1983	16.5263341905
1984	18.3819837034
1985	14.5572610276
1986	19.4651971146
1987	23.3365670173
1988	20.090690064
1989	19.899812757
1990	22.4689985788
1991	21.5697485342
1992	25.5611059621
1993	36.2217918291
1994	39.9325657399
1995	40.6041865647
1996	50.496482245
1997	51.4911838602
1998	47.459480556
1999	45.3719273556
2000	43.5653608872
2001	41.5182836712
2002	42.300008679
2003	44.5583253773
2004	51.5114218437
2005	48.0422131322
2006	51.0687049393
2007	58.9395465971
2008	69.0120732907
2009	66.239381557
2010	76.4150091188
2011	98.0717449794
2012	122.9479718138
2013	119.4388951336
2014	101.3810474694
2015	100
2016	125.1281160004
2017	124.8327977024
2018	116.3293667901
2019	136.1156952847
2020	224.9543993417
2021	378.3549030612