Year	2000 = 100
1980	7.941886722
1981	9.352993442
1982	9.910578492
1983	11.53720489
1984	13.36736523
1985	14.40862816
1986	16.12148583
1987	20.03383053
1988	22.585691
1989	22.77326337
1990	24.19321349
1991	26.57336214
1992	29.07460379
1993	32.47446645
1994	36.91066813
1995	44.81200479
1996	53.40341093
1997	61.75188806
1998	75.30091512
1999	83.40831384
2000	100
2001	103.6791108
2002	116.7021038
2003	135.5543849
2004	160.7620164
2005	172.4526595
2006	200.5573953
2007	227.5538529
2008	248.7523348
2009	251.0590717
2010	299.9746938
2011	341.2718885
2012	350.8887778
2013	363.7801096
2014	380.4863592
2015	396.5026124
2016	395.9979652
2017	420.9749704
2018	431.8273817