Year	2000 = 100
1980	34.77802963
1981	37.00665391
1982	31.72506574
1983	38.42559595
1984	51.41320742
1985	65.47994119
1986	62.9245445
1987	94.17635505
1988	87.39076155
1989	114.8088507
1990	64.3752198
1991	55.99570585
1992	37.79839508
1993	23.7294686
1994	16.23285754
1995	30.07821486
1996	29.15173238
1997	34.7519362
1998	28.2281662
1999	100.0496636
2000	100
2001	117.4225297
2002	162.5806676
2003	211.3161749
2004	268.0597386
2005	326.0787342
2006	329.5937582
2007	350.640217
2008	400.3507417
2009	389.9714368
2010	426.8238157
2011	461.3958408
2012	515.9430297
2013	538.8005839
2014	614.455669
2015	600.8394736
2016	470.1449053
2017	469.6211029
2018	469.6171784