Year	%
2001	53.19277
2002	52.7692
2003	53.38377
2004	53.4724
2005	53.27962
2006	51.20953
2007	50.44007
2008	50.43421
2009	50.74061
2010	50.65589
2011	49.66697
2012	48.42648
2013	48.42648
2014	48.95029
2015	43.16561
2016	43.47623
2017	44.0698
2018	43.58298
2019	42.77297
2020	42.47886
2021	43.23991