74% (1964)

64% (1993)

55% (2014)

60% (2005)

51% (1990)

68% (1992)

59% (1992)

55% (2003)

43% (1998)

72% (2018)

69% (2005)

48% (1999)

46% (2004)

65% (2014)

60% (1998)

63% (1982)

66% (2013)

67% (1968)

0% (1994)

38% (2000)