Year	2015 = 100
1980	3.7312369017
1981	1.9981480088
1982	1.4166026996
1983	3.9515631339
1984	9.8991478164
1985	8.9042851539
1986	6.176951341
1987	6.7731323996
1988	4.1879209752
1989	12.9488363761
1990	17.1067196151
1991	19.6014495599
1992	19.9272494099
1993	22.7807452781
1994	23.6328737508
1995	24.9720558051
1996	31.3934416075
1997	25.2098849166
1998	24.1991112274
1999	25.0909703608
2000	23.307252094
2001	22.2370211316
2002	26.6368595394
2003	32.1663861851
2004	33.8055043487
2005	34.3802183932
2006	43.7605549426
2007	62.2433842236
2008	76.239389106
2009	72.8190498612
2010	76.201039167
2011	83.8434455718
2012	85.774671335
2013	117.8374269513
2014	152.2074152322
2015	100
2016	105.4952632837
2017	131.7520313723
2018	198.846237438
2019	181.4350066421
2020	178.125020104
2021	204.8189586143