61% (2003)

57% (2007)

67% (1985)

72% (2016)

67% (1965)

58% (2010)

75% (2008)

72% (2018)

58% (1990)

50% (1992)

57% (1974)

55% (2015)

0% (1970)

62% (1963)

63% (2001)

74% (1994)

58% (1959)

58% (1969)

55% (2003)

51% (2006)