Year	2015 = 100
1980	3.8849711552
1981	4.2931628869
1982	4.1316013365
1983	4.319086692
1984	5.5707855059
1985	5.9374558781
1986	6.9705529036
1987	9.5348065601
1988	12.4235994893
1989	14.3859409733
1990	16.1600693406
1991	19.3891564543
1992	23.5019541804
1993	26.6012059181
1994	29.7787404577
1995	34.0599036392
1996	35.439569608
1997	36.865857823
1998	34.254424199
1999	34.1641180798
2000	39.7039382619
2001	37.4282631874
2002	39.5559849068
2003	44.8020711966
2004	52.0176595875
2005	57.2237175539
2006	63.2081713491
2007	68.4417701507
2008	72.5273373993
2009	64.5310567038
2010	78.4922811953
2011	89.2430906999
2012	96.556533298
2013	104.9090713965
2014	102.6727705786
2015	100
2016	101.2045063158
2017	107.7139989555
2018	111.3557863924
2019	104.7800425305
2020	107.5001982507
2021	131.2285174273