Year	2015 = 100
1980	4.7381676661
1981	6.124694639
1982	6.3212007552
1983	6.8199552462
1984	7.6469995117
1985	7.0312558205
1986	5.7295538985
1987	7.2525682709
1988	8.0650545783
1989	9.2422255467
1990	10.6979422234
1991	11.217429975
1992	12.1392060569
1993	13.6345498044
1994	15.9985620026
1995	20.9017343398
1996	25.2265509647
1997	29.018770367
1998	30.8658326682
1999	35.8404715077
2000	43.7177494381
2001	41.6625674398
2002	42.2235971785
2003	43.4623298117
2004	49.3970106125
2005	56.288757162
2006	65.6839808289
2007	71.4284704156
2008	76.537807379
2009	60.363209222
2010	78.3878301369
2011	91.858843627
2012	97.4299453843
2013	99.8593646779
2014	104.2994189208
2015	100
2016	98.265149948
2017	107.5896249625
2018	118.43711598
2019	121.0362868792
2020	109.6230384768
2021	130.0129271287