65% (2003)

42% (1991)

50% (2006)

38% (2005)

61% (1970)

60% (1998)

72% (2015)

68% (2000)

60% (1977)

50% (1994)

55% (1978)

80% (1999)

80% (2008)

15% (1986)

27% (1999)

58% (1992)

62% (2001)

0% (2011)

68% (1952)

0% (2013)