Year	2000 = 100
1980	31.50582441
1981	38.79366798
1982	35.90668299
1983	42.29201191
1984	50.53989824
1985	51.71547152
1986	44.5839578
1987	51.74555206
1988	59.61132293
1989	61.79868826
1990	57.60327765
1991	56.83395794
1992	64.97705389
1993	72.90698477
1994	74.5753573
1995	72.15855752
1996	74.08314568
1997	80.84331515
1998	82.89031072
1999	88.93653603
2000	100
2001	109.5300092
2002	118.9779105
2003	137.676064
2004	163.9619266
2005	179.3308115
2006	185.312946
2007	195.4838786
2008	190.6583964
2009	170.1705474
2010	186.3304213
2011	191.7913854
2012	191.1521734
2013	196.9913402
2014	193.4427331
2015	209.4220171
2016	216.2606481
2017	231.0796184
2018	242.2580734