Year	2015 = 100
1980	3.7208006862
1981	4.3980982474
1982	5.4065724031
1983	6.4950799973
1984	7.441047352
1985	7.8681701945
1986	9.3827263278
1987	10.3606276121
1988	12.8928852402
1989	14.7747237346
1990	15.1216344431
1991	16.552899073
1992	17.3414146265
1993	19.4775819986
1994	22.8546822401
1995	28.6403512653
1996	34.2172241242
1997	39.3609800591
1998	44.0932627271
1999	50.6608184166
2000	58.7056483662
2001	57.2019275344
2002	56.6170985779
2003	55.5254487539
2004	56.485552188
2005	59.4659942375
2006	64.5234704046
2007	66.7730809474
2008	65.1439739031
2009	60.1164849333
2010	69.5633031175
2011	71.153602793
2012	77.5048609847
2013	79.6599266091
2014	87.0689344847
2015	100
2016	105.5260743389
2017	107.8145887626
2018	111.9535919897
2019	113.4385211904
2020	108.3704715489
2021	115.3542009726