Year	2015 = 100
1980	19.6036074996
1981	18.8152108168
1982	24.8419644028
1983	21.1926539405
1984	21.815692717
1985	21.7172014824
1986	23.5175839838
1987	24.6923604205
1988	23.8328959815
1989	21.7889693877
1990	26.9215999119
1991	29.7877649821
1992	25.8383129772
1993	22.8681719698
1994	26.2014702508
1995	27.331085397
1996	14.8282994616
1997	14.1685015168
1998	18.3930054675
1999	13.7808381343
2000	17.2603562269
2001	16.260390082
2002	15.1011341973
2003	18.275026048
2004	20.5645972505
2005	31.4189386018
2006	50.2658906613
2007	37.2382071026
2008	46.9919905305
2009	46.9379603857
2010	59.3744631252
2011	87.7880185934
2012	87.6486838327
2013	94.6643174714
2014	89.7684626843
2015	100
2016	71.869000257
2017	88.1377558537
2018	92.5951845956
2019	103.5634210138
2020	106.1330621049
2021	120.1481086693