63% (1999)

77% (2012)

67% (2003)

63% (2001)

58% (2003)

65% (1999)

61% (2000)

61% (1999)

70% (2010)

57% (2002)

73% (2009)

78% (1999)

58% (2009)

59% (2002)

60% (2000)

40% (2008)

65% (2007)

80% (2009)

62% (2010)

0% (2008)