Year	2000 = 100
1980	31
1981	24
1982	22
1983	22
1984	23
1985	34
1986	34
1987	37
1988	43
1989	36
1990	37
1991	37
1992	38
1993	42
1994	49
1995	69
1996	68
1997	75
1998	86
1999	97
2000	100
2001	90.28866173
2002	99.43600577
2003	113.0308299
2004	140.2173972
2005	169.3016895
2006	228.1881764
2007	262.3921851
2008	314.2396765
2009	275.6508919
2010	358.0602924
2011	474.5765913
2012	449.256181
2013	406.2284044
2014	395.5341326
2015	306.5843445
2016	281.7198568
2017	319.078033
2018	351.8744123