Year	2000 = 100
1980	73.19155827
1981	73.03778903
1982	66.12336838
1983	58.61101397
1984	59.65051478
1985	57.58398094
1986	67.69794456
1987	74.01391198
1988	84.69100347
1989	80.33767175
1990	89.58616393
1991	79.50233078
1992	74.89964355
1993	81.29249558
1994	97.70943935
1995	110.1807792
1996	125.5423377
1997	132
1998	109.6623377
1999	98.02597403
2000	100
2001	62.7012987
2002	104.5194805
2003	86.75324675
2004	98.02597403
2005	96.1038961
2006	103.8961039
2007	124.6753247
2008	114.2857143
2009	117.8648312
2010	166.1938182
2011	182.4480519
2012	201.6846234
2013	202.9648936
2014	200.8507986
2015	168.7397177
2016	172.397002
2017	180.799058
2018	234.4917436