Year	%
2007	112.2456
2008	110.2013
2009	99.9674
2010	106.7496
2011	108.3407
2012	109.4541
2013	101.5548
2014	98.4774
2015	94.8589
2016	95.2071
2017	100.9474
2018	102.3835