Year	%
1996	51.33333
1999	42.00215
2000	41.7773
2001	43.9807
2002	46.93964
2003	46.34751
2005	45.826
2006	35.33135
2007	38.64711
2010	44.53309
2011	44.10845
2012	34.38794
2013	37.8743
2014	39.67129
2015	36.23545
2016	38.00984
2019	30.09507
2020	32.53012