44% (2000)

61% (1991)

55% (1997)

57% (2015)

72% (2005)

51% (1995)

56% (1988)

57% (2012)

64% (1997)

55% (2016)

70% (1984)

71% (1994)

45% (2002)

53% (2012)

66% (1985)

63% (2012)

66% (2007)

61% (1990)

61% (1986)

0% (1970)