Year	2015 = 100
1992	5.0169964294
1993	4.7091154116
1994	6.1793316051
1995	6.8566228222
1996	8.3887654862
1997	6.6654853728
1998	9.0802952971
1999	9.2069260756
2000	7.5464821816
2001	10.8425766892
2002	9.5408002646
2003	16.0814268914
2004	17.2061177991
2005	24.5165278687
2006	31.177636355
2007	34.7779620621
2008	49.5541159645
2009	45.9101729865
2010	51.5011226302
2011	53.2644877197
2012	71.3259530519
2013	73.1909520655
2014	91.9441267998
2015	100
2016	98.3650524469
2017	94.3647804958
2018	91.6369798434
2019	87.1399405536
2020	78.5200663674
2021	95.6322858319