Year	%
1995	92.07347
1998	86.24419
1999	61.832
2000	60.34798
2001	57.88273
2002	54.65823
2003	53.04975
2004	50.68176
2005	42.87959
2006	43.46894
2007	52.97098
2008	51.27134
2009	44.65184
2010	44.93143
2011	44.46535
2012	44.16806
2013	45.15142
2014	48.46618
2015	48.54412
2016	49.34844
2018	50.22763
2019	50.40354
2020	49.62649
2021	49.66233
