Year	2015 = 100
1980	3.2447617279
1981	3.6081183063
1982	4.0874486256
1983	5.5813405952
1984	7.3526517703
1985	9.6041276016
1986	13.015758026
1987	16.603434916
1988	22.6524250228
1989	26.5738392976
1990	32.5393950581
1991	31.7884859426
1992	27.1578797253
1993	21.9932936862
1994	31.455082295
1995	35.4595971833
1996	33.3320213513
1997	38.7969710349
1998	39.8816175351
1999	38.171213434
2000	45.3465672187
2001	45.888890487
2002	55.0666685662
2003	63.4101031837
2004	75.5080834244
2005	67.4149518364
2006	93.9470739563
2007	95.1151547756
2008	138.2507118478
2009	70.5020226086
2010	82.3914169839
2011	144.5082878109
2012	131.1587923776
2013	138.0692967839
2014	125.5269740108
2015	100
2016	106.8793976134
2017	132.8024490389
2018	141.5171664752
2019	150.4696718324
2020	119.1817919715
2021	119.0566404794
