Year	scale 0 - 100
2004	57.05128205128205
2005	59.35897435897436
2006	58.717948717948715
2007	59.36708860759494
2008	58.48101265822785
2009	57.407407407407405
2010	59.135802469135804
2011	60
2012	59.75308641975309
2013	59.75609756097561
2014	63.292682926829265
2015	62.28915662650602
2016	61.44578313253012
2017	60.8433734939759
2018	61.80722891566265
2019	60.36144578313253
2020	60.36144578313253