Year	%
1996	56.7713
1999	52.0013
2000	51.37394
2001	59.45752
2002	63.75779
2003	64.62675
2004	44.80969
2006	50.10551
2007	53.626
2010	56.10814
2011	56.27114
2012	42.97581
2013	55.74646
2020	41.66447
2021	39.02073