Year	%
1996	61.49312
1999	56.34666
2000	56.49814
2001	55.07525
2002	55.51331
2003	54.27831
2006	42.64999
2007	47.13952
2008	48.52165
2010	35.67116
2011	51.45961
2012	42.83747
2013	51.68776
2015	63.4434
2016	55.59647
2019	49.28616