Year	%
2000	64.60373
2001	64.5063
2002	65.63554
2003	70.89567
2004	71.37464
2005	72.31679
2006	72.00079
2008	87.04337
2009	86.81039
2010	71.5117
2011	71.12602
2012	33.61457
2013	32.33904
2014	31.22406
2015	31.95546
2016	32.16215
2017	38.73438
2018	33.83982
2019	34.15728
2020	34.07164
2021	28.78377