Year	2000 = 100
1980	47.77401766
1981	49.10499237
1982	38.1232366
1983	37.29056781
1984	40.77830446
1985	41.23613062
1986	50.90229399
1987	56.65305197
1988	55.69833669
1989	57.90549594
1990	55.96408635
1991	55.61879395
1992	52.94125981
1993	54.62420609
1994	45.38004428
1995	58.31801334
1996	67.52612071
1997	125.8441341
1998	85.94233546
1999	85.94233546
2000	100
2001	95.15044283
2002	119.7053958
2003	125.8441341
2004	123.5328991
2005	105.2977771
2006	121.8723704
2007	105.5218411
2008	157.0534793
2009	115.6354124
2010	98.25971375
2011	137.7717025
2012	141.1909797
2013	170.9086115
2014	174.4752185
2015	170.0430494
2016	156.7864442
2017	154.3370876
2018	162.6765635