Year	2015 = 100
1990	60.763168809
1991	57.2376607121
1992	35.4624636899
1993	34.0107839035
1994	33.5960182463
1995	28.6188303595
1996	27.3745333878
1997	28.7639983371
1998	21.0078805448
1999	24.4089589362
2000	34.9647449166
2001	38.303608443
2002	39.27830777
2003	42.4927415943
2004	47.262546642
2005	56.3666528326
2006	59.7262546485
2007	63.355454158
2008	74.2430526866
2009	64.1849854934
2010	73.206138526
2011	90.6262961507
2012	100.0622148336
2013	96.433015324
2014	115.8233098224
2015	100
2016	79.9875570263
2017	78.4114475134
2018	54.3550394149
2019	61.7378681011
2020	16.0514309405
2021	10.1617586057