58% (2005)

62% (2012)

56% (2004)

58% (2006)

66% (1996)

63% (2003)

59% (2010)

65% (2016)

62% (1995)

59% (2000)

57% (2009)

62% (2005)

61% (1994)

68% (1998)

63% (2017)

47% (1995)

62% (1998)

63% (1998)

58% (2003)

51% (2010)