Year	scale 0 - 100
2004	53.18181818181818
2005	51.81818181818182
2006	50.90909090909091
2007	51.36363636363637
2008	53.18181818181818
2009	55.45454545454545
2010	56.81818181818182
2011	57.27272727272727
2012	56.36363636363637
2013	53.91304347826087
2014	51.73913043478261
2015	51.73913043478261
2016	53.47826086956522
2017	53.04347826086956
2018	51.30434782608695
2019	54.78260869565217
2020	50