Year	2000 = 100
1980	58.4223742
1981	68.16205184
1982	56.84100843
1983	66.05014118
1984	50.8467193
1985	49.37465323
1986	36.276906
1987	45.63538983
1988	34.80994934
1989	50.88127615
1990	41.47835377
1991	40.36064997
1992	43.38603184
1993	46.15397381
1994	51.04162777
1995	62.49509133
1996	68.45308474
1997	82.31269346
1998	82.56548333
1999	86.69205357
2000	100
2001	117.411003
2002	121.8651233
2003	140.736911
2004	172.1238823
2005	191.6800603
2006	214.4554672
2007	225.7392872
2008	234.2886046
2009	230.3259515
2010	285.0167783
2011	301.0552397
2012	338.7202075
2013	381.7850967
2014	408.5230338
2015	397.1018472
2016	414.2717298
2017	438.7169124
2018	429.2827067