Year	2015 = 100
1980	4.5464496032
1981	4.912323333
1982	4.2182508145
1983	5.076272225
1984	5.1306998045
1985	4.5604734627
1986	4.5290554766
1987	6.4149044489
1988	10.0097399049
1989	12.7164139999
1990	16.3061669166
1991	18.5382897683
1992	20.0765226788
1993	22.7364670198
1994	26.8729629726
1995	34.9298589234
1996	35.6923939699
1997	31.0154333837
1998	21.2039813108
1999	24.8452798492
2000	30.556372773
2001	30.5754201185
2002	31.8993582045
2003	37.4158327347
2004	46.586929048
2005	58.3152441364
2006	63.5436843966
2007	69.0666774262
2008	88.4392225702
2009	65.9790445709
2010	90.2631483808
2011	112.8957639974
2012	122.9268970148
2013	123.5643265709
2014	112.3835435483
2015	100
2016	95.8278679097
2017	109.3094362575
2018	122.4758945168
2019	116.5834719153
2020	101.7287631517
2021	131.6941650722