Year	1=low to 6=high
2005	3.054054054054054
2006	2.9864864864864864
2007	3
2008	2.945945945945946
2009	2.9210526315789473
2010	2.986842105263158
2011	3.1315789473684212
2012	3.128205128205128
2013	3.08974358974359
2014	3.1710526315789473
2015	3.223684210526316
2016	3.1710526315789473
2017	3.1794871794871793
2018	3.210526315789474
2019	3.230769230769231
2020	3.2564102564102564
2021	3.230769230769231
2022	3.282051282051282
2023	3.269230769230769