Year	%
1996	42.81073
1999	38.57674
2000	39.93394
2001	42.74962
2002	42.29263
2003	42.37943
2004	37.79308
2006	44.1494
2007	42.83383
2010	39.39812
2011	39.53852
2012	33.31375
2013	44.19348
2020	28.33968
2021	26.70419