39% (2001)

40% (2003)

61% (1985)

60% (2012)

40% (1987)

63% (1988)

63% (1982)

64% (2011)

56% (1981)

77% (2002)

77% (2005)

53% (2007)

62% (1998)

0% (1995)

66% (1993)

54% (2010)

51% (2016)

90% (1969)

50% (1990)

70% (2012)