Year	2000 = 100
1980	36.22606547
1981	44.45838481
1982	37.37646695
1983	42.51466955
1984	43.38519148
1985	42.61504015
1986	34.74173873
1987	38.52493823
1988	33.22459852
1989	28.08446572
1990	32.06261581
1991	38.61276251
1992	26.85975139
1993	34.28910593
1994	24.27906887
1995	63.01825973
1996	64.22174182
1997	62.53860408
1998	76.93792464
1999	98.95479463
2000	100
2001	97.76482397
2002	109.0565164
2003	114.6357705
2004	126.0423101
2005	140.3007258
2006	156.2528953
2007	162.2828521
2008	223.4674182
2009	204.9731702
2010	303.6307134
2011	291.4173487
2012	305.8929123
2013	345.4862183
2014	360.3738017
2015	355.4943252
2016	330.3447344
2017	374.2057211
2018	465.3615272