Year	2015 = 100
1980	31.0141327443
1981	35.8555525973
1982	29.2948803451
1983	31.1298512784
1984	30.9527147997
1985	30.7981058343
1986	26.4838134484
1987	31.5271612994
1988	26.040734116
1989	20.838033561
1990	18.5857267789
1991	23.1046692381
1992	17.794038784
1993	22.9895197635
1994	15.895161014
1995	34.7253724876
1996	33.6076811788
1997	33.7210397189
1998	45.5862413247
1999	57.5854499971
2000	55.6482908663
2001	55.9395118949
2002	61.7826283457
2003	62.7472919131
2004	63.8804719164
2005	65.8397226953
2006	69.1749572654
2007	67.7778708631
2008	64.8137010442
2009	69.9408298345
2010	100.880892578
2011	78.7179266283
2012	77.5851016054
2013	86.7596916366
2014	91.4843474466
2015	100
2016	95.3098738432
2017	103.3531076326
2018	123.9004855015
2019	116.5582970274
2020	77.0987473963
2021	74.8856859314