60% (2009)

46% (2005)

61% (1970)

44% (2001)

27% (1999)

68% (1971)

60% (2007)

72% (1956)

72% (1994)

85% (1987)

78% (1996)

85% (1993)

35% (1996)

0% (2013)

41% (2009)

90% (1990)

80% (2005)

0% (2007)

0% (2016)

81% (2015)