Year	2015 = 100
1980	3.7714329139
1981	3.9119444403
1982	3.7515664411
1983	3.5675161299
1984	3.8749263263
1985	4.0412921774
1986	3.9126802363
1987	4.2308990115
1988	4.846531315
1989	5.2138453967
1990	5.9826753539
1991	5.1880671893
1992	5.9824216307
1993	5.7819301017
1994	6.8105972844
1995	8.8059218667
1996	9.6267903113
1997	10.5122057623
1998	10.9049682121
1999	11.9196806552
2000	13.0725196351
2001	12.7855848464
2002	14.3396352376
2003	18.40952194
2004	25.315265165
2005	36.2493353431
2006	45.2666334467
2007	58.1963073067
2008	81.4529187465
2009	65.2579883829
2010	88.861945951
2011	117.8444655599
2012	124.246366622
2013	118.0817138689
2014	117.4505918114
2015	100
2016	91.7583882032
2017	114.1560890093
2018	130.531113005
2019	123.3239973241
2020	94.68975645
2021	145.3599916301