Year	%
2000	1.11263586540264
2001	0.861973501637868
2002	0.852327354152344
2003	0.843941802668628
2004	0.86985100024086
2005	0.85889872949043
2006	0.886407557411504
2007	0.851435542411274
2008	0.656007624655077
2009	0.658855642050728
2010	0.687563190640444
2011	0.656656938846375
2012	0.670990275726775
2013	0.633551359397824
2014	0.621622752962498
2015	0.576827483742743
2016	0.574181962875421
2017	0.56495947594758
2018	0.51118590906251
2019	0.507509225343596
2020	0.36570130267324