63% (2001)

78% (2004)

60% (1999)

69% (1992)

68% (2010)

66% (2008)

74% (1998)

71% (2006)

53% (1998)

68% (2001)

69% (1999)

40% (2006)

63% (2009)

57% (2003)

67% (2010)

57% (2004)

68% (2004)

62% (1996)

66% (1992)

61% (2002)