68% (2000)

65% (1997)

71% (2006)

65% (2007)

63% (2000)

72% (2003)

74% (1999)

66% (2006)

65% (1999)

56% (2022)

71% (2000)

61% (2004)

73% (1991)

57% (2000)

59% (2006)

64% (2004)

57% (1998)

68% (2005)

56% (1994)

57% (2011)