77% (2000)

81% (2005)

65% (2003)

48% (2001)

72% (2003)

61% (2001)

57% (2014)

65% (1999)

62% (2007)

48% (2002)

61% (2001)

59% (2008)

53% (2009)

55% (2006)

54% (2000)