Year	2000 = 100
1980	8.47688535
1981	6.963155823
1982	12.10983621
1983	12.41258212
1984	13.32081984
1985	16.34827889
1986	16.68129939
1987	19.40601253
1988	17.55926251
1989	19.16381581
1990	23.82610275
1991	29.24525446
1992	40.14410705
1993	72.96176319
1994	90.97514456
1995	94.15397657
1996	97.72637825
1997	108.68578
1998	111.864612
1999	94.09342739
2000	100
2001	96.73034422
2002	91.00844661
2003	101.5621689
2004	109.9996973
2005	167.4427053
2006	267.0309709
2007	279.3406194
2008	330.5682541
2009	318.6945597
2010	528.7063667
2011	662.8772971
2012	687.4360449
2013	685.398565
2014	805.915655
2015	1106.02313
2016	1285.08825
2017	1460.011202
2018	1592.443462