62% (1993)

80% (2002)

80% (2008)

75% (2007)

90% (2008)

73% (2009)

97% (2001)

0% (2003)

72% (1998)

85% (2004)

53% (2002)

0% (2012)

81% (2002)

0% (1993)

80% (1983)

82% (1995)

76% (2015)

65% (1985)

58% (1985)

80% (1995)