Year	scale 0 - 100
2005	80
2006	76.66667
2007	76.66667
2008	80
2009	80
2010	70
2011	70
2012	63.33333
2013	60
2014	50
2015	56.6665
2016	53.3332
2017	69.9999
2018	66.6665
2019	73.3333
2020	69.9999