80% (1997)

69% (2007)

69% (2013)

53% (2014)

66% (1977)

70% (2007)

53% (2009)

61% (1976)

45% (1998)

59% (1999)

54% (2024)

36% (2016)

58% (1983)

61% (1998)

48% (2008)

39% (2016)

49% (1991)

61% (1982)

54% (1994)

68% (2001)