Year	%
2000	76.47839
2001	76.11695
2002	77.02441
2003	81.75071
2004	82.12608
2005	82.37862
2006	82.48612
2008	86.72675
2009	86.51896
2010	82.17188
2011	83.65326
2012	39.09117
2013	37.41413
2014	36.8333
2015	38.03266
2016	38.3951
2017	42.43227
2018	38.87515
2019	39.12778
2020	39.04534
2021	32.98204