78% (1999)

66% (2013)

60% (2007)

57% (2009)

62% (2007)

61% (1968)

35% (1971)

70% (2010)

70% (1965)

48% (2006)

0% (2006)

20% (1999)

60% (2010)

45% (1987)

71% (2004)

72% (1969)

40% (2003)

64% (1995)

44% (2005)

46% (2005)