Year	2015 = 100
1980	20.1420682875
1981	16.1176681159
1982	11.2646431181
1983	14.5843438988
1984	16.5656168944
1985	16.137996282
1986	16.5633956938
1987	17.6882281719
1988	18.3687179254
1989	17.2556782328
1990	18.6665927423
1991	18.8646502898
1992	19.8278370064
1993	23.6018981452
1994	20.8556007101
1995	36.3529408148
1996	38.1622955401
1997	40.0488209396
1998	45.41563199
1999	48.4624113737
2000	51.8745450978
2001	54.0559405798
2002	58.1841164119
2003	62.5246749314
2004	72.7962347098
2005	76.579078012
2006	79.8900491316
2007	89.9799452905
2008	93.2096616788
2009	67.9201330353
2010	78.4451306762
2011	88.5096854974
2012	95.073564195
2013	89.4044770994
2014	92.4290831446
2015	100
2016	98.6592324032
2017	101.3138117157
2018	105.1425251363
2019	102.5748228219
2020	85.3471999719
2021	113.7716306815