65% (2016)

66% (1996)

59% (2006)

56% (2004)

59% (2000)

59% (2010)

62% (2012)

63% (2003)

58% (2005)

68% (1998)

58% (2009)

58% (2003)

64% (2017)

57% (2007)

46% (1995)

56% (2005)

62% (1995)

62% (1994)

51% (2010)

43% (2001)