61% (2019)

61% (2005)

64% (2015)

69% (2011)

57% (2018)

66% (2015)

66% (2011)

58% (2006)

52% (2012)

60% (2009)

69% (2001)

60% (2006)

59% (2007)

63% (2003)

54% (2010)

65% (2016)

0% (1970)

31% (2008)

45% (2007)

0% (2010)