Year	2000 = 100
1980	32.40740992
1981	35.3009065
1982	46.53438148
1983	57.91440405
1984	56.03485436
1985	48.49123743
1986	47.54590031
1987	40.69541318
1988	40.1691365
1989	45.66601312
1990	44.51977906
1991	42.32853126
1992	39.32348149
1993	45.21365684
1994	57.70511583
1995	61.70628924
1996	65.49253028
1997	81.95518612
1998	87.67034777
1999	96.26268398
2000	100
2001	114.5408961
2002	123.2309668
2003	131.686368
2004	140.7583057
2005	131.9741705
2006	121.7648807
2007	114.6428915
2008	120.9748545
2009	131.3725684
2010	123.6929628
2011	113.8716433
2012	112.3919284
2013	121.1623915
2014	127.7027668
2015	142.3392879
2016	148.1965699
2017	157.0499053
2018	168.840656
