Year	2015 = 100
1980	10.491182618
1981	14.0858378124
1982	12.6106849429
1983	15.7292909138
1984	15.7882905463
1985	20.2242307749
1986	18.879017572
1987	23.1156989787
1988	19.1353309881
1989	23.6358358381
1990	24.1509479951
1991	23.71871627
1992	22.9623107318
1993	22.8542528006
1994	26.312106659
1995	26.6561010415
1996	26.8015921522
1997	23.4311117246
1998	21.1139542054
1999	19.5352255055
2000	19.3571967859
2001	19.3942656242
2002	18.1069558924
2003	17.3785722426
2004	23.9997554156
2005	34.1262644372
2006	74.6054406513
2007	79.3786410214
2008	97.590961959
2009	74.4707044185
2010	113.1991830609
2011	150.076949232
2012	144.1786903694
2013	144.7814002684
2014	116.8193185981
2015	100
2016	88.5919135224
2017	108.6095799145
2018	112.0175113301
2019	123.7340498799
2020	154.433766582
2021	237.0986505628