Year	2015 = 100
1980	6.2648256132
1981	5.4305374748
1982	3.877831849
1983	3.2080268869
1984	2.9465131143
1985	2.4128772323
1986	2.7530028584
1987	5.0278853398
1988	6.9340688321
1989	7.1659829799
1990	6.6625192722
1991	7.2576121854
1992	11.8042011291
1993	14.2890573039
1994	15.4949719852
1995	17.2458518878
1996	20.1278960998
1997	21.0225649823
1998	20.8520954525
1999	18.564810059
2000	23.7661228911
2001	30.1525381565
2002	38.5468971043
2003	51.2122553735
2004	76.2428464912
2005	70.058668597
2006	74.6961289848
2007	82.856051933
2008	95.2008241223
2009	79.0584474231
2010	94.5128077933
2011	126.2277858872
2012	104.7106115872
2013	91.2178891995
2014	88.9911519278
2015	100
2016	94.9086575483
2017	110.6548614158
2018	131.5018955516
2019	114.4979101038
2020	95.6062680709
2021	114.5836294468