64% (2012)

72% (2010)

56% (2003)

59% (1992)

77% (1997)

68% (1998)

70% (2000)

61% (2004)

56% (1993)

50% (2004)

65% (1997)

72% (1996)

65% (2012)

58% (1991)

49% (2006)

56% (1991)

80% (2023)

59% (1993)

56% (2005)

32% (2000)