Year	2015 = 100
1980	24.6394495154
1981	28.7890439126
1982	27.9602812883
1983	20.5638214145
1984	18.7610841657
1985	15.2376187415
1986	16.751496336
1987	17.8090443768
1988	19.2404197934
1989	27.4522093301
1990	31.2751617604
1991	34.6311912927
1992	37.4325585909
1993	30.9027796841
1994	38.1089676265
1995	43.8012545609
1996	63.0242234177
1997	51.0832629005
1998	44.6235100621
1999	35.123873535
2000	30.7788223784
2001	28.3336985395
2002	28.9284583922
2003	28.2510930032
2004	36.4088191321
2005	38.7610117462
2006	35.1339348858
2007	52.587162761
2008	31.7134379097
2009	94.4920420465
2010	88.178534044
2011	131.9046836615
2012	114.6361452488
2013	119.2223384757
2014	100.2806088308
2015	100
2016	88.1506255315
2017	83.6608373319
2018	105.5793569728
2019	79.5858402092
2020	82.6336209742
2021	118.7565258375