58% (2009)

74% (1978)

59% (2002)

70% (1992)

68% (2013)

64% (2014)

58% (2011)

69% (2002)

64% (2003)

55% (1992)

61% (1981)

49% (2009)

67% (2018)

71% (1979)

57% (1997)

60% (1995)

58% (1982)

69% (1972)

74% (2012)

72% (1975)