Year	2015 = 100
1980	5.5108130646
1981	5.9636171198
1982	5.9126197762
1983	6.2097297739
1984	6.846129944
1985	6.4883806094
1986	6.3981326674
1987	8.1590341624
1988	11.1794533707
1989	12.7026896241
1990	14.9976268573
1991	16.7713843473
1992	18.0528880815
1993	21.0507524142
1994	27.5395312199
1995	33.6383353785
1996	35.557064115
1997	35.5488158007
1998	31.2568477205
1999	32.6178197062
2000	39.1948554846
2001	34.6289864601
2002	35.6034253344
2003	45.4800715674
2004	56.4972606821
2005	65.3178381264
2006	77.3086128317
2007	85.1305525881
2008	96.1855991907
2009	76.7469785378
2010	100.079677066
2011	116.4728585452
2012	116.1571036528
2013	116.6851303571
2014	118.1438341231
2015	100
2016	93.9970673829
2017	106.217215909
2018	117.4545156891
2019	111.1427648459
2020	103.1135976556
2021	130.0836988266