61% (2009)

74% (1999)

63% (1977)

86% (1976)

80% (1998)

75% (1981)

73% (1994)

84% (2015)

80% (2003)

72% (2006)

82% (2014)

60% (1996)

75% (1997)

75% (1976)

46% (2007)

30% (2011)

86% (2016)

70% (2003)

70% (1976)

0% (1993)