Year	2000 = 100
1980	48.48231289
1981	47.35126089
1982	32.02723758
1983	22.72202666
1984	22.41041029
1985	20.41952796
1986	25.10242945
1987	32.94765999
1988	33.38911651
1989	34.70483005
1990	38.7471868
1991	47.2185354
1992	59.00802124
1993	67.10427607
1994	80.38836632
1995	82.71971839
1996	95.87396849
1997	107.5307288
1998	109.9457557
1999	96.85498298
2000	100
2001	88.32015696
2002	56.66801316
2003	63.18887414
2004	89.84938542
2005	111.9222113
2006	138.6709273
2007	162.3770269
2008	261.6816319
2009	199.2823591
2010	248.7667494
2011	309.492123
2012	336.2025795
2013	335.9218362
2014	331.3690057
2015	273.801662
2016	234.7691442
2017	244.0382307
2018	256.6002077