64% (1993)

69% (2001)

77% (2000)

71% (1998)

76% (2009)

74% (2004)

79% (2010)

77% (1993)

34% (2010)

72% (2002)

76% (1994)

67% (2000)

72% (2003)

60% (2018)

66% (1996)

71% (2010)

68% (2000)

71% (1998)

59% (2009)

48% (2012)