Year	2015 = 100
1980	48.5448326249
1981	37.0119187159
1982	35.0855019491
1983	31.372761752
1984	35.0725541488
1985	32.5619863906
1986	32.0574957613
1987	32.8586702822
1988	27.5942517712
1989	38.8503996496
1990	31.0612722606
1991	35.9428591883
1992	33.9441141713
1993	35.3150198604
1994	41.0057709549
1995	41.1043692427
1996	40.2839805466
1997	41.3300081138
1998	39.7405293367
1999	44.1188370648
2000	54.7798820728
2001	71.1912276978
2002	39.0474126086
2003	64.4068359348
2004	72.6872714265
2005	61.3424018375
2006	67.3466136994
2007	78.6150479329
2008	76.7251870305
2009	63.8887579939
2010	62.898364349
2011	71.7792765847
2012	69.2515041746
2013	90.9475468644
2014	97.6375658186
2015	100
2016	117.7715428606
2017	159.6662318866
2018	188.0483932578
2019	169.2895896685
2020	128.1812194512
2021	131.0647655024
