Year	2000 = 100
1980	30.45214684
1981	34.71014768
1982	28.94688888
1983	29.74868076
1984	30.77863407
1985	31.87464409
1986	26.01343913
1987	24.14562849
1988	34.6790175
1989	36.36650089
1990	46.894575
1991	45.47207775
1992	46.4481227
1993	49.79955203
1994	60.13135416
1995	79.58356934
1996	90.39412703
1997	100.3411222
1998	100.3519153
1999	88.48804146
2000	100
2001	100.7668653
2002	97.37671311
2003	112.2432709
2004	131.2619111
2005	153.1870468
2006	176.7055161
2007	211.7565772
2008	265.8148893
2009	211.3515053
2010	258.8637485
2011	319.0884932
2012	303.6422307
2013	288.3835086
2014	259.6902168
2015	215.5726814
2016	219.8473862
2017	222.5503967
2018	233.9318932