56% (1997)

73% (2010)

0% (1955)

61% (1988)

71% (2018)

71% (2005)

63% (1987)

56% (2009)

65% (2004)

63% (2017)

75% (1994)

60% (2005)

58% (1972)

54% (1989)

74% (1999)

72% (1976)

53% (2014)

57% (2006)

60% (1997)

74% (1977)