Year	2015 = 100
1980	29.0561536571
1981	31.366452984
1982	33.870838689
1983	33.1746622315
1984	36.0505758041
1985	36.6205992605
1986	32.9299437097
1987	35.0953347308
1988	42.2524757683
1989	44.2851168263
1990	44.8181713147
1991	44.4214834288
1992	50.0816060829
1993	50.1335110745
1994	51.0420615348
1995	60.6321477543
1996	66.4993754835
1997	67.3261883392
1998	61.8194601449
1999	55.4862702959
2000	54.9610340201
2001	51.2998534289
2002	56.8966758991
2003	73.4103751899
2004	87.6563382483
2005	83.8270562072
2006	86.581616119
2007	95.8151050095
2008	88.3165818523
2009	98.9688451526
2010	113.9046824077
2011	105.9376344627
2012	112.4647944967
2013	95.1044031641
2014	97.8569990983
2015	100
2016	96.29152473
2017	100.6941946836
2018	100.0080167813
2019	93.5770690053
2020	85.2332680636
2021	78.1660425523